RT Journal T1 EArth’s moon, september 2003 JF JAMA Pediatrics JO JAMA Pediatrics YR 2013 FD January 1 VO 167 IS 1 SP 2 OP 2 DO 10.1001/jamapediatrics.2013.1353 UL http://dx.doi.org/10.1001/jamapediatrics.2013.1353 AB Photographer: Mark H. Christianson, Seattle, Washington, September 2003.