Fig. 1From: Biomarkers of early chronic obstructive pulmonary disease (COPD) in smokers and former smokers. Protocol of a longitudinal studyA schematic illustration of the partners within the COPD study: The primary health care clinic “Örestadskliniken”, the Skåne University Hospitals in Malmö and Lund “Region Skåne”, and the Centre of Excellence in Biological and Medical Mass Spectrometry (CEBMMS) at Lund UniversityBack to article page