Access to raw data
This is an update request for the document Of new times, new opportunities, and old problems
by Johan van der Lei and Miriam Sturkenboom
Your paper was deposited in MUCC (Crossref)
and appears online at https://link.springer.com/content/pdf/10.1007%2Fs10654-007-9138-x.pdf
Before we are able to make any updates or deletions, you must
ensure that the original record at this location is updated/removed.