Later the chairman of the panel said there were no plans to insist on changes in the program.
The appointment and role of the panel chairman emerged as a key issue.
Three withdrew from consideration, while the fourth is chairman of the panel.
The professional judge is the chairman of the panel, but otherwise the judges have equal rights.
When the three men vote, the chairman of the panel will report only the winner, not the vote.
If a hearing is necessary, the panel chairman may hold a preliminary meeting to set out procedures and identify disputed issues.
It called for Judge Zampano to serve as chairman of the panel, with the other members being named by each side.
The disclosure came at a hearing of a House subcommittee, and the panel chairman called the increase "an alarming statistic."
Dr. Green, the panel chairman, said the members agreed at the outset that the goals of the research were ethical.
'I happen to be chairman of the medical panel.'