Efficacy of a Mobile Multidisciplinary Digital Therapeutics App for Patellofemoral Pain: Randomized Controlled Trial

Sanghee Lee   ^{1 *} , MD ;   Chan Yoon   ^{1 *} , MD, MS ;   Chi-Hyun Choi   ¹ , MD, MS ;   Tae Hyun Park   ¹ , MD ;   Sang Jin Yang   ² , PhD ;   Ha Ri Cha   ¹ , MPH ;   Tae Woo Kim   ³ , MD, PhD ;   Jae Hyeon Park   ^{4, 5 *} , MD, PhD ;   Moon Jong Chang   ^{3 *} , MD, PhD ;   Chong Bum Chang   ⁶ , MD, PhD

¹ EverEx, Seoul, Republic of Korea

² Department of Health and Exercise Management, University of Tongwon, Kwangju, Republic of Korea

³ Department of Orthopedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea

⁴ Department of Rehabilitation Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea

⁵ Department of Rehabilitation Medicine, Hanyang University Guri Hospital, Guri-si, Republic of Korea

⁶ Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Gyeonggi-do, Republic of Korea

*these authors contributed equally