Focused Shockwave Treatment for Greater Trochanteric Pain Syndrome: A Multicenter, Randomized, Controlled Clinical Trial. - Ramon, Silvia; Russo, Sergio; Santoboni, Flavia; Lucenteforte, Giacomo; Di Luise, Carla; de Unzurrunzaga, Rocio; Vetrano, Mario; Albano, Mariantonia; Baldini, Rosella; Cugat, Ramon; Stella, Giulia; Balato, Giovanni; et al. (Journal of Bone & Joint Surgery, American Volume, 2020)