http://reply.papertrans.cn/2/168/16773/16773-11.png
Submitted on: 16 August 2001.
Revised on: 19 October 2001.
Accepted on: 30 November 2001.
___________________Journal of Exposure Science and Environmental Epidemiology
Submitted on: 01 July 2013.
Revised on: 31 August 2013.
Accepted on: 13 October 2013.
___________________Journal of Exposure Science and Environmental Epidemiology
http://reply.papertrans.cn/2/168/16773/16773-14.png
http://reply.papertrans.cn/2/168/16773/16773-15.png
http://reply.papertrans.cn/2/168/16773/16773-16.png
Submitted on: 18 April 1998.
Revised on: 11 June 1998.
Accepted on: 21 July 1998.
___________________Journal of Exposure Science and Environmental Epidemiology
Submitted on: 25 November 2010.
Revised on: 19 December 2010.
Accepted on: 16 February 2011.
___________________Journal of Exposure Science and Environmental Epidemiology
Submitted on: 05 January 2002.
Revised on: 10 April 2002.
Accepted on: 20 May 2002.
___________________Journal of Exposure Science and Environmental Epidemiology
Submitted on: 14 August 2012.
Revised on: 06 November 2012.
Accepted on: 28 November 2012.
___________________Journal of Exposure Science and Environmental Epidemiology