- Correspondence to Professor Waldemar A Carlo, Department of Pediatrics, University of Alabama at Birmingham, 1700 6th Ave South, Suite 9380 Women and Infants Center, Birmingham, Alabama 35249, USA;
- Received September 1, 2015
- Revised January 7, 2016
- Accepted January 24, 2016
- First published February 19, 2016.
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