Incorrect Affiliation and Address

In the Letter to the Editor titled “Platelet-Rich Plasma Injection vs Sham Injection and Tendon Dysfunction in Patients With Chronic Midportion Achilles Tendinopathy,”¹ published in the November 16, 2021, issue of JAMA, the affiliation and corresponding author address for James Cheng-Chung Wei, MD, PhD, were incorrect. The correct affiliation is the Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan. The correct address is Graduate Institute of Integrated Medicine, China Medical University, No. 100, Section 1, Jingmao Rd, Taichung City 406040, Taiwan (jccwei@gmail.com). This article was corrected online.