Jongaie Research, Pretoria West, Pretoria, South Africa
Central City Clinical Hospital of Chernivtsi City Council, Chernivtsi, Chernivetska, Ukraine
City Clinical Hospital #1 of Ivano-Frankivsk City Council, Ivano-Frankivs'k, Ivano-Frankivsk Oblast, Ukraine
JOHESE UNITAS Hospital, Lyttelton, Centurion, South Africa
JOHESE ZAH Hospital, Pretoria, Gauteng, South Africa
Hospital â„–1" of the Zhytomyr City Council, Zhytomyr, Zhytomyrs'ka Oblast, Ukraine
Santa Casa de Misercórdia de Passos, Passos, Minas Gerais, Brazil
Durban International Clinical Research, Enhancing Care Foundation, Durban, Kwazulu-Natal, South Africa
Instituto Brasil de Pesquisa Clinica, Gloria, Rio De Janeiro, Brazil