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Piet Willem Boonstra, M.D., Ph.D., FECTS, Professor
1989-2008 Cardiothoracic Surgeon University Medical Center Groningen
1998-2008 Head Dept CT Surgery UMCG
2008... CT Surgeon Medical Center Leeuwarden, The Netherlands
coronary surgery and PCI
extracorporeal circulation/cardiopulmonary bypass
lung surgery (oncology)