Guest Editors Christoph Lange Christoph Lange is a physician and biologist. He was appointed as Professor of Medicine at the University of Lubeck ¨ (Lubeck, ¨ Germany) in 2009 and is currently the Leading Attending Physician at the Medical Clinic/Head of the Division of Clinical Infectious Diseases at the Research Center Borstel (Borstel, Germany). Since 2005, he has been Co-Chair of the Center of Infectious Diseases (DGI) at the Research Center Borstel and the University of Lubeck,¨ and he is Vice-Chair of the Center of Infection and Inflammation at the University of Lubeck ¨ (ZIEL). Following clinical training in Cape Town (South Africa), Cleveland, OH (USA), and hospitals in Germany, he is board certified in internal medicine, pulmonary and critical care medicine, infectious diseases, allergology and sleep medicine. His research focus is on tuberculosis (TB), in which he has been principle investigator of national and international multicentre studies, and a coordinator of consensus documents. C. Lange is Head of the Respiratory Infection Assembly (Assembly 10) of the European Respiratory Society (ERS) (2011–2014) and was previously (2008–2011) chair of the Tuberculosis Group (Group 10.2) of this Assembly. He is the Founding Chair of the Tuberculosis Network European Trials Group (TBNET), which he headed from 2006 to 2012. Since 2011, he has been a member of the steering committee of the Mycobacteriology Study Group (ESGMYC) of the European Society for Clinical Microbiology and Infectious Diseases, and from 2009 to 2012, he was the chair of the Mycobacteriology Study Group of the DGI. C. Lange is an Associate Editor of the International Journal of Tuberculosis and Lung Diseases, an Associate Editor of Infection and Section Editor for Respiratory Infections of the Clinical Respiratory Journal. He has been a Guest Editor for TB series in the European Respiratory Journal (ERJ) and Respirology. C. Lange was appointed a Visiting Professor at the University of Medicine and Pharmacy of the Republic of Moldova in Chisinau (Moldova) in 2011 and a Fellow of the Infectious Diseases Society of America. Giovanni Battista Migliori Giovanni Battista Migliori, MD, FRCP (Lond) is Director of the World Health Organization (WHO) Collaborating Centre for TB and Lung Diseases (Fondazione S. Maugeri, Tradate, Italy), a Professor in the Applied Health Sciences Department of the University of Pavia (Pavia, Italy) and a Visiting Professor at the Mayo Clinic (Rochester, MN, USA). He originally specialised in respiratory medicine in Pavia and then in medical statistics and epidemiology. He has developed global experience in TB, TB/HIV and HIV/AIDS care and control in Africa (Benin, Burkina, Democratic Republics of Congo, Egypt, Ethiopia, Mozambique and Tanzania), Asia (India and Thailand), Europe (Croatia, Estonia, Kosovo, Latvia, Moldova, Romania, Russia, Turkey and Ukraine) and Latin America (Mexico). G.B. Migliori has served as ERS Tuberculosis Group Chair (Group 10.2), as Head of the Respiratory Infections Assembly (Assembly 10) (2008–2010), Long Range Planning Committee Chair (2011–2013), and is presently the ERS WHO and European Centre for Disease Control Liaison Officer and Secretary General Elect. Since 2007, he has been an Associate Editor of the ERJ and since 2011 of the International Journal of Tuberculosis and Lung Diseases, having previously served in the same capacity at BMC Infectious Disease. He is an author of more than 250 publications (including the 1999 ERS Guidelines on TB Management and the 2012 EU Standards for TB care) with a personal H-Index of 38 and average impact factor of more than 220 over the last 3 years. As Guest Editor, he was responsible for two ERJ TB Series (2010 and Eur Respir Monogr 2012 58: vi–vii. Copyright ERS 2012. DOI: 10.1183/1025448x.10038112 Print ISBN: 978-1-84984-027-9 Online ISBN: 978-1-84984-028-6 Print ISSN: 1025-448x Online ISSN: 2075-6674 vi