Isn't one institutional ethics committee's approval enough?
Weeramanthri
T
T
Currie
B J
BJ
D001315:Australia; D003256:Community Participation; D003659:Decision Making, Organizational; D017041:Ethics Committees / Q000458:organization & administration*; D006801:Humans; D012106:Research; D012111:Residence Characteristics; D012945:Social Values