Extracorporeal Shockwave Therapy for Mid-portion and Insertional Achilles Tendinopathy: A Systematic Review of Randomized Controlled Trials. - Paantjens, Marc A.; Helmhout, Pieter H.; Backx, Frank J. G.; van Etten-Jamaludin, Faridi S.; Bakker, Eric W. P. (Sports Medicine - Open, 2022)