Tekijä
International Society of Audiology
1
Nederlands Oogheelkundig Gezelschap
1
Schweizerische Ophthalmologische Gesellschaft
1
Vissh medit͡sinski institut "I.P. Pavlov," Plovdiv
1
World Federation of Neurology
1
World Federation of Neurology. Commission for Neuropathology
1
World Federation of Neurology. Research Group for Comparative Neuropathology
1
World Federation of Neurology. Research Group for Neurooncology
1