Salus Research, Inc., Fort Wayne, Indiana, United States
Scientific Research center Eco-Safety LLC, Saint Petersburg, Russian Federation
University of Taubate, Taubate, Sao Paulo, Brazil
Beijing Children's Hospital, Capital Medical University, Beijing, Beijing, China
Academic Dermatology Associates, Albuquerque, New Mexico, United States
Thomas J. Stephens and Associates, Inc., Richardson, Texas, United States
City Polyclinic #2 of Moscow Health Department, Moscow, Russian Federation