1 Departments of Pediatrics and Healthcare Policy & Research, Weill Cornell Medicine (EL Abramson), New York, NY. Electronic address: err9009@med.cornell.edu.
2 Department of Pediatrics, University of Oklahoma Health Sciences Center (MM Naifeh), Oklahoma City, Okla.
3 Department of Pediatrics, University of Louisville (MD Stevenson), Louisville, Ky.
4 Health Sciences Library and Information Management, University of Oklahoma Health Sciences Center (S Clifton), Oklahoma City, Okla.
5 Department of Pediatrics, University of California Davis (S-TT Li), Sacramento, Calif.