RT Journal T1 INcorrect wording JF JAMA JO JAMA YR 1999 FD June 16 VO 281 IS 23 SP 2187 OP 2187 DO 10.1001/jama.281.23.2187 UL http://dx.doi.org/10.1001/jama.281.23.2187 AB In addition, the following sentences should be added to the acknowledgment on page 1209. We wish to thank all of the investigators who contributed their data to the meta-analysis research data set. A complete list of these investigators has been previously published (JAMA. 1996;276:1246-1252).