Joilton J Silva Junior (Author) (Other); Marcelo A Farias (Author) (Other); Valdinete L Silva (Author) (Other); Maria C B S M Montenegro (Author) (FFUP); Alberto N Araujo (Author) (FFUP); Andre F Lavorante (Author) (Other); Ana Paula S Paim (Author) (Other)

Ieda de Souza Silva (Author) (Other); Lucia L M F S Saraiva (Author) (FFUP); Joao L M Santos (Author) (FFUP); Jose L F C Lima (Author) (FFUP)

Alexandra Guedes (Author) (FCUP); Manuel Algarra (Author) (Other); Carmelo C Prieto (Author) (Other); Bruno Valentim (Author) (FCUP); Vanesa Hortelano (Author) (Other); Selma Neto (Author) (Other); Rafael Algarra (Author) (Other); Fernando Noronha (Author) (FCUP)

Angel C Carmelo Prieto (Author) (Other); Alexandra Guedes (Author) (FCUP); Armanda Doria (Author) (Other); Fernando Noronha (Author) (FCUP); Juan Jimenez (Author) (Other)

Joao L M Santos (Author) (FFUP); Marta F T Ribeiro (Author) (Other); Jose L F C Lima (Author) (FFUP); Ana C B Dias (Author) (Other); Elias A G Zagatto (Author) (Other)

Jose M M M de Almeida (Author) (FCUP); Agostinho Moreira, JA (Author) (FCUP)

Cristina I C Silvestre (Author) (Other); Marcela A Segundo (Author) (FFUP); Lucia L M F S Saraiva (Author) (FFUP); Jose L F C Lima (Author) (FFUP)