Gilsing, A M J
Weijenberg, M P
Goldbohm, R A
Dagnelie, P C
van den Brandt, P A
Schouten, L J
Article History
Received: 17 June 2015
Revised: 26 October 2015
Accepted: 19 December 2015
First Online: 2 March 2016
Competing interests
: The authors declare no conflict of interest.