Sian-Kang Jason Lai provided ideas to refine the experimental methods, conducted the experiments, collected and analysed the data.
Researchers with extensive knowledge in qualitative methods conducted the interviews.
Research assistants experienced in qualitative methods conducted the interviews.
Interviewers, who had experience in qualitative research methods, conducted the interviews in English.
Two interviewers experienced in dementia and qualitative methods conducted the interviews.
SW, SG, and BP were involved revising the study methods, conducting the analysis, and revising the manuscript.
Two researchers, specialized in qualitative research methods, conducted the individual interviews and the FGs between October 2009 and June 2010.
A trained research staff with prior experience in qualitative methods conducted the interviews which were then transcribed.
YL proposed the original idea, did literature survey, implemented the methods, conducted the experiments, and wrote the first draft of this paper.
LPS developed the research proposal, selected the research methods, conducted the statistical analyses, and participated in the interpretation of findings and the drafting of the manuscript.
DH raised the initial questions, coded the statistical methods, conducted the analyses and wrote the manuscript; JT conducted DNA extraction and organized SNP genotyping, FS calculated daughter yield deviations, and PL helped genotyping SNPs.
