Daniel Kotz is a professor in general practice with a main focus 
on addiction research and clinical epidemiology at the Heinrich-Heine University Düsseldorf. He is also affiliated with Maastricht University, University College London and University of Edinburgh. His main research areas are nicotine and tobacco addiction, chronic obstructive pulmonary disease, and methodology and reporting in clinical epidemiology. He has published his work in leading journals in the categories general medicine (Lancet, Mayo Clinic Proceedings), respiratory medicine (Thorax, Chest, European Respiratory Journal), public health/epidemiology (Addiction, Tobacco Control), and allergy (Journal of Allergy and Clinical Immunology). He has been working as Associate Editor for the Journal of Clinical Epidemiology since 2009 and as Assistant Editor for Addiction since 2012. More information: www.daniel-kotz.de
Jochen Cals is a general practitioner in Sittard and Assistant Professor at Maastricht University/CAPHRI. He did his medical training (MSc) in Maastricht followed by a PhD, which he completed in 2009 (cum laude). His main research focus is on diagnosis and communication in acute conditions in general practice, including common infections in primary care, (point of care) diagnostic tests and patient centred clinical methods. He has published his work in the Lancet, BMJ, JAMA and the top primary care journals (Annals of Family Medicine, British Journal of General Practice). One of his papers was shortlisted among the 4 best research papers in general medical journals in 2009 during the annual BMJ awards. He featured in an interview in Science with co-author Daniel Kotz following a paper on researcher identification. He has been on the editorial board of Dutch national GP journal Huisarts & Wetenschap 2009-2013. He is currently funded by a ZonMW VENI grant. While he is amased by the creativity of science, he finds most inspiration while working in daily general practice. More information: twitter @jochencals
