11.   Contributing to this article were staff writers Hal Mattern and Eric Miller.

12.   Contributing to this article were staff writers Michael Murphy and Pam Manson.

13.   Contributing to this article were staff writers Michael Murphy and Mark Shaffer.

14.   Contributing to this report were staff writers Norm Frauenheim and Bob McManaman.

15.   From Chronicle staff writer Karola Saekel.

16.   Managing Editor Ed Levine also quit Tuesday, as did staff writer Seamus McGraw.