Anggraini, Anita Dwi; Departement of Health Analyst, Politeknik Kesehatan Surabaya; Koendhori, Eko Budi; Departement of Microbiology, Dr. Soetomo's Hospital Surabaya; Pramono, Hendro; Jenderal Soedirman University; Wahyono, Daniel Djoko; Jenderal Soedirman University