| Delnoy PP | Isala klinieken, Zwolle, The Netherlands. |
| Dobre D | Department of Clinical Pharmacology, University Medical Centre Groningen, University of Groningen, The Netherlands. d.dobre@med.umcg.nl |
| Flather MD | Department of Clinical Pharmacology, University Medical Centre Groningen, University of Groningen, The Netherlands. |
| Jaarsma T | Department of Cardiology, University Medical Center Groningen, University of Groningen, PO Box 30.001, 9700 RB Groningen; the Netherlands. |
| Lukas MA | Sticares Cardiovascular Research Institute, Rhoon, The Netherlands. |
| Remme WJ | Sticares Cardiovascular Research Institute, Rhoon, The Netherlands. w.j.remme@sticares.org |
| Van Hemel NM | Utrecht University, Heart Lung Centre Utrecht, Utrecht, NL. n.m.vanhemel@hetnet.nl |
| Westenbrink BD | Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. b.d.westenbrink@thorax.umcg.nl |
| de Boer RA | University Medical Center Groningen, Thoraxcenter, Department of Cardiology, Groningen, The Netherlands. |
| van Hemel NM | Isala klinieken, Zwolle, The Netherlands. |
| van Veldhuisen DJ | University Medical Center Groningen, Thoraxcenter, Department of Cardiology, Groningen, The Netherlands. |