Mark D Huffman1. 1. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA m-huffman@northwestern.edu.
Authors: Frances Wood; Abdul Salam; Kavita Singh; Sophie Day; Stephen Jan; Dorairaj Prabhakaran; Anthony Rodgers; Anushka Patel; Simon Thom; Helen Ward Journal: BMJ Open Date: 2015-09-30 Impact factor: 2.692