Spain has participated in all of the study's editions since 1985 (six with the current one) except for the 1997-1998 edition. The first Spanish HBSC team was leaded by Dr. Ramón Mendoza, Chief Researcher of the Spanish team from the 1985/86 to the 1997/98 editions. From the 2001/02 edition onwards, the Spanish HBSC team has been leaded by Dr. Carmen Moreno, full Professor of the Department of Developmental and Educational Psychology of the University of Seville.