Acknowledgments
The authors also thank to all our patients and families for allowing their MBW data to be used for research. The authors thank to all our lab technicians for collecting daily MBW measurements, especially Mrs. Lüscher, Mrs. Vessaz, Mrs. Krattinger and Mrs. Wirz in Bern as well as Mrs. Böhringer, Mrs. König, Mrs. Noser and Mr. Vogt in Zurich.