Certified Occupational Therapy Assista… 
Certified Occupational Therapist Assis… 
Council on the Ageing 
Caribbean Organisation of Tax Administ… 
Cognitively Oriented Task Analysis 
Coherent Optical Technologies and Appl… 
Career Opportunity Training Agreement 
Center for Organizational and Technolo… 
Centre D'opérations Tactiques Air 
Certified Occupational Therapist 
Certified Occupational Therepy Assista… 
Children's Organ Transplant Associatio… 
Coherent Optical Techniques and Applic… 
College Of The Arts 
colon-ovarian tumor antigen 
Core restraint test assemblies 
Council of Tourism Associations 
Council on the Ageing 
Council on the Aging