RT @DaanDeWit: Kleine groep onderzocht en nog geen peer review, dus slechts FYI:

Vitamin D Insufficiency is Prevalent in Severe COVID-19…
RT @DaanDeWit: Small group investigated and no peer review, so just FYI:

Vitamin D is Insufficiency Prevalent in Severe COVID-19 ...
helderheid in inhoud en proces: training + procesbegeleiding +  coaching + communicatie
clarity in content and process: process management + training + Coaching + Communications