{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T23:06:29Z","timestamp":1788995189622,"version":"build-2803163510"},"reference-count":54,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2018,8,1]],"date-time":"2018-08-01T00:00:00Z","timestamp":1533081600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100006393","name":"Plan Propio de Investigaci\u00f3n 2016, Excellence actions: Units of Excellence; Unit of Excellence on Exercise and Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006393","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.jp","thekneejournal.com","clinicalkey.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Knee"],"published-print":{"date-parts":[[2018,8]]},"DOI":"10.1016\/j.knee.2018.03.011","type":"journal-article","created":{"date-parts":[[2018,7,8]],"date-time":"2018-07-08T06:21:48Z","timestamp":1531030908000},"page":"704-714","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":75,"title":["Strength recovery after anterior cruciate ligament reconstruction with quadriceps tendon versus hamstring tendon autografts in soccer players: A randomized controlled trial"],"prefix":"10.1016","volume":"25","author":[{"given":"Jose Luis","family":"Martin-Alguacil","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuel","family":"Arroyo-Morales","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jose Luis","family":"Mart\u00edn-Gomez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isidro Manuel","family":"Monje-Cabrera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan F.","family":"Abell\u00e1n-Guill\u00e9n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco","family":"Esparza-Ros","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mario Lozano","family":"Lozano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irene","family":"Cantarero-Villanueva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"5","key":"10.1016\/j.knee.2018.03.011_bb0005","doi-asserted-by":"crossref","first-page":"990","DOI":"10.1177\/0363546512442336","article-title":"Incidence and risk factors for injuries to the anterior cruciate ligament in National Collegiate Athletic Association football: data from the 2004\u20132005 through 2008\u20132009 National Collegiate Athletic Association Injury Surveillance System","volume":"40","author":"Dragoo","year":"2012","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0010","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1016\/S1063-4584(05)80017-2","article-title":"Osteoarthritis of the knee after injury to the anterior cruciate ligament or meniscus: the influence of time and age","volume":"3","author":"Roos","year":"1995","journal-title":"Osteoarthritis Cartilage"},{"key":"10.1016\/j.knee.2018.03.011_bb0015","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1016\/j.arthro.2005.03.010","article-title":"Thirty-five years of follow-up of anterior cruciate ligament-deficient knees in high-level athletes","volume":"21","author":"Nebelung","year":"2005","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0020","doi-asserted-by":"crossref","first-page":"1583","DOI":"10.1177\/0363546515578836","article-title":"Risk factors and predictors of subsequent ACL injury in either knee after ACL reconstruction: prospective analysis of 2488 primary ACL reconstructions from the MOON cohort","volume":"43","author":"Kaeding","year":"2015","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0025","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/j.ocl.2009.12.009","article-title":"Graft selection for anterior cruciate ligament reconstruction: a level I systematic review comparing failure rates and functional outcome","volume":"41","author":"Reinhardt","year":"2010","journal-title":"Orthop Clin N Am"},{"key":"10.1016\/j.knee.2018.03.011_bb0030","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1177\/03635465030310041501","article-title":"A randomized comparison of patellar tendon and hamstring tendon anterior cruciate ligament reconstruction","volume":"31","author":"Feller","year":"2003","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0035","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1007\/s00167-010-1170-9","article-title":"Anterior cruciate ligament injury in elite football: a prospective three-cohort study","volume":"19","author":"Wald\u00e9n","year":"2011","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2018.03.011_bb0040","doi-asserted-by":"crossref","first-page":"462","DOI":"10.1016\/j.arthro.2009.08.018","article-title":"Hamstring strength recovery after hamstring tendon harvest for anterior cruciate ligament reconstruction: a comparison between graft types","volume":"26","author":"Ardern","year":"2010","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0045","doi-asserted-by":"crossref","first-page":"1177","DOI":"10.1016\/j.arthro.2005.07.005","article-title":"The effects of semitendinosus and gracilis harvest in anterior cruciate ligament reconstruction","volume":"21","author":"Burks","year":"2005","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0050","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/S0968-0160(01)00099-0","article-title":"Muscle strength and function before and after anterior cruciate reconstruction","volume":"8","author":"Keays","year":"2001","journal-title":"Knee"},{"key":"10.1016\/j.knee.2018.03.011_bb0055","doi-asserted-by":"crossref","first-page":"1226","DOI":"10.1016\/j.arthro.2011.05.009","article-title":"The effects of hamstring harvesting on outcomes in anterior cruciate ligament-reconstructed patients: a comparative study between hamstring-harvested and -unharvested patients","volume":"27","author":"Kim","year":"2011","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0060","doi-asserted-by":"crossref","first-page":"641","DOI":"10.1177\/0363546514561745","article-title":"Risk factors associated with revision and contralateral anterior cruciate ligament reconstructions in the Kaiser Permanente ACLR registry","volume":"43","author":"Maletis","year":"2015","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0065","doi-asserted-by":"crossref","first-page":"598","DOI":"10.1053\/jars.2002.32868","article-title":"Evaluation of active knee flexion and hamstring strength after anterior cruciate ligament reconstruction using hamstring tendons","volume":"18","author":"Nakamura","year":"2002","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0070","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1016\/j.arthro.2015.06.051","article-title":"Biomechanical comparison of quadriceps and patellar tendon grafts in anterior cruciate ligament reconstruction","volume":"32","author":"Shani","year":"2016","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0075","doi-asserted-by":"crossref","first-page":"1408","DOI":"10.1016\/j.arthro.2009.06.004","article-title":"Anterior cruciate ligament reconstruction using quadriceps tendon autograft","volume":"25","author":"Geib","year":"2009","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0080","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1016\/j.arthro.2014.01.012","article-title":"Is quadriceps tendon a better graft choice than patellar tendon? A prospective randomized study","volume":"30","author":"Lund","year":"2014","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0085","doi-asserted-by":"crossref","first-page":"705","DOI":"10.1007\/s00167-009-0813-1","article-title":"Prevention of non-contact anterior cruciate ligament injuries in soccer players: part 1: mechanisms of injury and underlying risk factors","volume":"17","author":"Alentorn-Geli","year":"2009","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"1","key":"10.1016\/j.knee.2018.03.011_bb0090","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1177\/0363546517732743","article-title":"The effect of hamstring tendon autograft harvest on the restoration of knee stability in the setting of concurrent anterior cruciate ligament and medical collateral ligament injuries","volume":"46","author":"Kremen","year":"2018","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0095","doi-asserted-by":"crossref","first-page":"283","DOI":"10.5435\/JAAOS-D-13-00183","article-title":"Return to play following anterior cruciate ligament reconstruction","volume":"23","author":"Ellman","year":"2015","journal-title":"J Am Acad Orthop Surg"},{"key":"10.1016\/j.knee.2018.03.011_bb0100","doi-asserted-by":"crossref","first-page":"103","DOI":"10.3928\/01477447-20140124-10","article-title":"Return to sport after ACL reconstruction","volume":"37","author":"Harris","year":"2014","journal-title":"Orthopedics"},{"key":"10.1016\/j.knee.2018.03.011_bb0105","doi-asserted-by":"crossref","first-page":"1128","DOI":"10.1007\/s00167-009-1027-2","article-title":"Evidence-based rehabilitation following anterior cruciate ligament reconstruction","volume":"18","author":"van Grinsven","year":"2010","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2018.03.011_bb0110","doi-asserted-by":"crossref","first-page":"980","DOI":"10.1016\/j.arthro.2012.01.002","article-title":"Anatomic guidelines for harvesting a quadriceps free tendon autograft for anterior cruciate ligament reconstruction","volume":"28","author":"J1","year":"2012","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0115","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1016\/j.arthro.2009.07.027","article-title":"Anatomic single- and double-bundle anterior cruciate ligament reconstruction flowchart","volume":"26","author":"van Eck","year":"2010","journal-title":"Arthroscopy"},{"issue":"1","key":"10.1016\/j.knee.2018.03.011_bb0120","doi-asserted-by":"crossref","first-page":"12","DOI":"10.11138\/jts\/2016.4.1.012","article-title":"The influence of graft placement on clinical outcome in anterior cruciate ligament reconstruction","volume":"4","author":"Padua","year":"2016","journal-title":"Joints"},{"key":"10.1016\/j.knee.2018.03.011_bb0125","doi-asserted-by":"crossref","first-page":"890","DOI":"10.1177\/0363546508330143","article-title":"The reliability, validity, and responsiveness of the Lysholm score and Tegner activity scale for anterior cruciate ligament injuries of the knee: 25years later","volume":"37","author":"Briggs","year":"2009","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0130","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1177\/036354659602400119","article-title":"Relative and absolute reliability of the KT-2000 arthrometer for uninjured knees. Testing at 67, 89, 134, and 178N and manual maximum forces","volume":"24","author":"Myrer","year":"1996","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0135","doi-asserted-by":"crossref","first-page":"1438","DOI":"10.1249\/MSS.0000000000000917","article-title":"Effectiveness of lumbopelvic exercise in colon cancer survivors: a randomized controlled clinical trial","volume":"48","author":"Cantarero-Villanueva","year":"2016","journal-title":"Med Sci Sports Exerc"},{"key":"10.1016\/j.knee.2018.03.011_bb0140","doi-asserted-by":"crossref","first-page":"1574","DOI":"10.1177\/0363546514531396","article-title":"Surgical predictors of early revision surgery after anterior cruciate ligament reconstruction: results from the Swedish National Knee Ligament Register on 13,102 patients","volume":"42","author":"Andernord","year":"2014","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0145","doi-asserted-by":"crossref","first-page":"885","DOI":"10.1007\/s00167-014-3406-6","article-title":"Predictors for additional anterior cruciate ligament reconstruction: data from the Swedish national ACL register","volume":"24","author":"F\u00e4ltstr\u00f6m","year":"2016","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2018.03.011_bb0150","doi-asserted-by":"crossref","first-page":"384","DOI":"10.1177\/0363546506294361","article-title":"A prospective randomized study of anterior cruciate ligament reconstruction","volume":"35","author":"Maletis","year":"2007","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0155","doi-asserted-by":"crossref","first-page":"549","DOI":"10.2106\/00004623-199904000-00013","article-title":"Hamstring tendon grafts for reconstruction of the anterior cruciate ligament: biomechanical evaluation of the use of multiple strands and tensioning techniques","volume":"81","author":"Hamner","year":"1999","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.knee.2018.03.011_bb0160","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1177\/036354658601400114","article-title":"Strain within the anterior cruciate ligament during hamstring and quadriceps activity","volume":"14","author":"Renstr\u00f6m","year":"1986","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0165","doi-asserted-by":"crossref","first-page":"815","DOI":"10.2106\/JBJS.F.01352","article-title":"Effect of varying hamstring tension on anterior cruciate ligament strain during in vitro impulsive knee flexion and compression loading","volume":"90","author":"Withrow","year":"2008","journal-title":"J Bone Joint Surg Am"},{"issue":"143","key":"10.1016\/j.knee.2018.03.011_bb0170","first-page":"97","article-title":"The anterior cruciate ligament: a technique of repair and reconstruction","author":"Marshall","year":"1979","journal-title":"Clin Orthop Relat Res"},{"issue":"Mar 28","key":"10.1016\/j.knee.2018.03.011_bb0175","article-title":"Emerging trends in anterior cruciate ligament reconstruction","author":"Budny","year":"2016","journal-title":"J Knee Surg"},{"key":"10.1016\/j.knee.2018.03.011_bb0180","doi-asserted-by":"crossref","first-page":"252","DOI":"10.1016\/0749-8063(95)90078-0","article-title":"An alternative cruciate reconstruction graft: the central quadriceps tendon","volume":"11","author":"Fulkerson","year":"1995","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0185","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/S1060-1872(99)80026-4","article-title":"Central quadriceps free tendon for the anterior cruciate ligament reconstruction","volume":"7","author":"Fulkerson","year":"1999","journal-title":"Oper Tech Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0190","doi-asserted-by":"crossref","first-page":"441","DOI":"10.1016\/j.arthro.2010.02.021","article-title":"Quadriceps tendon: the forgotten graft","volume":"26","author":"Van Eck","year":"2010","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0195","first-page":"116","article-title":"Anterior cruciate ligament reconstruction with use of autologous quadriceps tendon graft","volume":"89","author":"Lee","year":"2007","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.knee.2018.03.011_bb0205","doi-asserted-by":"crossref","first-page":"1882","DOI":"10.1007\/s00167-012-2212-2","article-title":"Outcomes for primary anterior cruciate reconstruction with the quadriceps autograft: a systematic review","volume":"21","author":"Mulford","year":"2013","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2018.03.011_bb0210","doi-asserted-by":"crossref","first-page":"541","DOI":"10.1016\/j.arthro.2014.11.010","article-title":"Quadriceps tendon autograft for anterior cruciate ligament reconstruction: a comprehensive review of current literature and systematic review of clinical results","volume":"31","author":"Slone","year":"2015","journal-title":"Arthroscopy"},{"issue":"9","key":"10.1016\/j.knee.2018.03.011_bb0215","doi-asserted-by":"crossref","first-page":"2323","DOI":"10.1177\/0363546516650666","article-title":"Outcomes of anatomic anterior cruciate ligament reconstruction: bone\u2013quadriceps tendon graft versus double-bundle hamstring tendon graft","volume":"44","author":"Lee","year":"2016","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0220","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1016\/S0749-8063(04)00594-8","article-title":"Outcome of anterior cruciate ligament reconstruction using quadriceps tendon autograft","volume":"20","author":"Lee","year":"2004","journal-title":"Arthroscopy"},{"key":"10.1016\/j.knee.2018.03.011_bb0225","doi-asserted-by":"crossref","first-page":"278","DOI":"10.2519\/jospt.2009.2864","article-title":"Patella fracture during rehabilitation after bone-patellar tendon-bone anterior cruciate ligament reconstruction: 2 case reports","volume":"39","author":"Piva","year":"2009","journal-title":"J Orthop Sports Phys Ther"},{"key":"10.1016\/j.knee.2018.03.011_bb0230","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1115\/1.2835108","article-title":"Harvest of patellar tendon (bone\u2013tendon\u2013bone) autograft for ACL reconstruction significantly alters surface strain in the human patella","volume":"121","author":"Steen","year":"1999","journal-title":"J Biomech Eng"},{"key":"10.1016\/j.knee.2018.03.011_bb0235","doi-asserted-by":"crossref","first-page":"1077","DOI":"10.1007\/s00167-006-0111-0","article-title":"Arthroscopic anterior cruciate ligament reconstruction with quadriceps tendon autograft: clinical outcome in 4\u20137years","volume":"14","author":"Chen","year":"2006","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"3","key":"10.1016\/j.knee.2018.03.011_bb0240","first-page":"541","article-title":"The evaluation of muscle recovery after anatomical single-bundle ACL reconstruction using a quadriceps autograft","volume":"31","author":"Chen","year":"2016","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"10.1016\/j.knee.2018.03.011_bb0245","first-page":"41","article-title":"Effect of hamstring-emphasized resistance training on hamstring:quadriceps strength ratios","volume":"211","author":"Holcomb","year":"2007","journal-title":"J Strength Cond Res"},{"key":"10.1016\/j.knee.2018.03.011_bb0250","first-page":"116","article-title":"Prediction of hamstring injury in professional soccer players by isokinetic measurements","volume":"19","author":"Dauty","year":"2016","journal-title":"Muscles Ligaments Tendons J"},{"key":"10.1016\/j.knee.2018.03.011_bb0255","doi-asserted-by":"crossref","first-page":"997","DOI":"10.1519\/JSC.0000000000000747","article-title":"Hamstrings strength imbalance in professional football (soccer) players in Australia","volume":"29","author":"Ardern","year":"2015","journal-title":"J Strength Cond Res"},{"key":"10.1016\/j.knee.2018.03.011_bb0260","doi-asserted-by":"crossref","first-page":"1242","DOI":"10.1177\/0363546512443945","article-title":"Survival comparison of allograft and autograft anterior cruciate ligament reconstruction at the United States Military Academy","volume":"40","author":"Pallis","year":"2012","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0265","doi-asserted-by":"crossref","first-page":"234","DOI":"10.1177\/03635465000280021501","article-title":"Electromyographic and kinematic analysis of cutting maneuvers: implications for anterior cruciate ligament injury","volume":"28","author":"Colby","year":"2000","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.knee.2018.03.011_bb0270","doi-asserted-by":"crossref","first-page":"595","DOI":"10.1177\/0363546511430375","article-title":"Clinical results and risk factors for reinjury 15years after anterior cruciate ligament reconstruction: a prospective study of hamstring and patellar tendon grafts","volume":"40","author":"Leys","year":"2012","journal-title":"Am J Sports Med"},{"issue":"9","key":"10.1016\/j.knee.2018.03.011_bb0275","doi-asserted-by":"crossref","first-page":"1733","DOI":"10.1016\/j.arthro.2015.03.006","article-title":"Cortical suspensory button versus interference screw fixation for knee anterior cruciate ligament soft-tissue allograft: a prospective, randomized controlled trial","volume":"34","author":"Lubowitz","year":"2015","journal-title":"Arthroscopy"}],"container-title":["The Knee"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016018301236?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0968016018301236?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,8,20]],"date-time":"2018-08-20T22:00:16Z","timestamp":1534802416000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0968016018301236"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,8]]},"references-count":54,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2018,8]]}},"alternative-id":["S0968016018301236"],"URL":"https:\/\/doi.org\/10.1016\/j.knee.2018.03.011","relation":{},"ISSN":["0968-0160"],"issn-type":[{"value":"0968-0160","type":"print"}],"subject":[],"published":{"date-parts":[[2018,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Strength recovery after anterior cruciate ligament reconstruction with quadriceps tendon versus hamstring tendon autografts in soccer players: A randomized controlled trial","name":"articletitle","label":"Article Title"},{"value":"The Knee","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.knee.2018.03.011","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2018 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}