Not exactly. One from Japan, one from China, one from Germany, and one from France.
Medical studies are often limited to a particular country, for regulatory reasons. So most ResearchKit apps choose to restrict their App Store availably (and ask for a confirmation during the setup process)
Medical studies are often limited to a particular country, for regulatory reasons. So most ResearchKit apps choose to restrict their App Store availably (and ask for a confirmation during the setup process)