1. Babycenter (2007) Retrieved from http://www.babycenter.com/ on 29 October 2007.
2. Babyvibe (2007) Retrieved from http://www.babyvibe.ca/home.cfm on 29 October 2007.
3. Berkeley Parents Network (2007) Retrieved from http://parents.berkeley.edu/ on 29 October 2007.
4. A method of analysing interview transcripts in qualitative research;Burnard;Nurse Education Today,1991