A total of 3463 of the topics had been heterosexual , and 602 experienced sex with male partners . The median follow-up period, after administration of the first dose of vaccine or placebo, was 2.9 years. For the heterosexual topics, eligibility criteria were an age between 16 and 23 years and one to five woman sexual partners during their lifetime; for the subjects who got sex with male partners, the requirements were an age between 16 and 26 years and something to five female or male partners throughout their lifetime. Subjects who experienced clinically detectable anogenital warts or genital lesions at screening which were suggestive of an infection with non-HPV sexually transmitted illnesses, or who had a history of such findings, were excluded.The electroencephalogram offers been trusted in research and medication for more than 80 years. The ability to gauge the electric activity in the mind by way of electrodes on the head is a handy device to review brain functions since it is noninvasive and easy to use. The interpretation of the EEG signals remains, however, difficult. The main reason for this is that the precise relationship between the activity generated in the brain compared to that measured on the scalp can be unclear.