Can I get vitamin D while wearing sunscreen: 94 pcnt yes in 2008, 63 pcnt yes in 2011
Medical News Today May 2012
Results of UK National Osteoporosis Society survey Sunlight Campaign
Based on only the results of two surveys and a lot of optimism, it will take quite a few years

By the way, the correct answer in virtually all cases is NO
See also VitaminDWiki
All items in category Noontime Sun and vitamin D 120 items as of May 2012
Doctor survey: 64 pct feel 10 minutes of sun is enough, 33 pct say use sunscreen winter – May 2012 500 doctors in Australia
Most sunscreens actually increase the growth of skin cancer - May 2010
Overview Suntans melanoma and vitamin D one of the charts from there follows:
