Professor Thys Van Der Molen is Professor of Primary Care Respiratory Medicine at UMCG. He is also Director of the Primary Care Respiratory Medicine Research Group. He was a founding member of the International Primary Care Respiratory Group (IPCRG), and also a member of the committee that developed the GOLD guidelines. He is an expert on COPD diagnostic questionnaires and developed the CCQ (Clinical COPD Questionnaire), the ICQ (Inhaled Corticosteroids Questionnaire) and the BHQ (Bronchial Hyper-responsiveness Questionnaire). He has published more than 120 research papers