- Correspondence to Dr Morteza Asgarzadeh, Harvard T.H. Chan School of Public Health/Liberty Mutual Research Institute for Safety, 401 Park Drive, Landmark, West Tower, 3rd Floor, Office #109, Boston, MA 02215, USA;
- Received 28 March 2016
- Revised 4 August 2016
- Accepted 18 September 2016
- Published in print 1 June 2017.
- Published online 26 May 2017.
- Published first 9 November 2016.
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