Ключевые слова: 25s, 35s, 55s, adults, american, armenian, board, caucasian, class, coach, college, concentration, corporation, course, different, employees, european, female, group, having, hospital, indian, indoor, institute, knowledge, male, medics, paramedics, pediatricians, people, person, physician, physiotherapists, positive, practitioners, professor, refresher, robs, school, session, stethoscope, students, study, stuff, teaching, therapeutists, training, uniform, white,