Contributorship
All nine authors contributed to the manuscript. All were involved in the
design of the study.
HLW, CW, LM, KOM and JD collected and verified the data. HLW was
responsible for the analysis. HLW, CW, LM, AKJM and CGM wrote the
manuscript, and all authors were involved in the final approval of the
manuscript. HLW and CW are joint first authors. AKJM and CGM are acting
as guarantors of the submitted work.