1. Department of Internal Medicine II, University Hospital Regensburg, Regensburg, Germany
2. Department of Biochemistry and Molecular Biology, University of Dhaka, Bangladesh
3. Department of Cardiology and Pneumology, University Medical Center Göttingen, Göttingen, Germany
4. The William Harvey Research Institute, Charterhouse Square, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom