Differentiated membership fee based on COL (cost of living) and charge:
Group A
COL average index of 63 ± 14
European countries: Austria, Belgium, Denmark, Finland, France, Germany, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Sweden, Switzerland, United Kingdom;
Non-European countries: Australia, Bahamas, Bermuda, Canada, Hong Kong, Israel, Japan, New Zealand, Singapore, South Korea, Taiwan, United Arab Emirates and other Arabic States United States + Puerto Rico, Uruguay;
Group B
COL average index of 29 ± 6
European countries: Albania, Belarus, Bosnia/Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Greece, Hungary, Kosovo, Latvia, Lithuania, Macedonia, Moldova, Montenegro, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Turkey, Ukraine;
Non-European countries from Africa, Australasia and America that are not mentioned in Group A;
Group C
Residents, students, non-academic non-physicians (any country)