Study concept and design	Acquisition of data	Analysis and interpretation of data	Drafting of the manuscript	Critical revision of the manuscript	Statistical analyses	Study supervision
JJF	√	√	√	√	√	√	√
MC	√	√	√	√	√	√	√
DK	√	√	√		√		√
HD	√				√	√
RVPR		√			√
NM		√	√		√		√
NK		√	√		√	√	√
IB		√	√		√	√	√
FO		√			√		√
MAZ			√		√	√
OC		√	√		√	√
KT	√				√		√
SJK	√				√		√
TR		√			√
JS		√			√
MM	√				√		√
CA		√			√	√
TW					√		√
GS					√		√
MS					√		√
HLAJ					√
SK					√		√
BH			√		√	√
LS	√	√	√		√		√
AH	√	√	√	√	√	√	√