Acknowledgements

A special thanks goes to:

• To Dr. Baudouin Byl, professor at the University of Mons and infectious disease specialist at the Erasmus University Hospital, for the articles he sent me.
• To Dr. Youri Sokolow, thoracic surgeon at the Erasmus University Hospital, for having authorized me to use a video belonging to him.
• To Laetitia C. who took the trouble to teach me some basic CSS syntax.
• To Gabriel O. and Gerald L. for making a small donation to the site.