Last week General Carlos Salgado met middle and low-level retired army officers to convince them they would be protected if they participated in the search process anonymously.

A possible solution to the encouragement of audience involvement in lectures is the use of an audience response system which allows audience members to participate anonymously.

She debuted in 1830, when she participated anonymously in a public concert in Stockholm at the age of eleven.

The survey covered doctors, participating anonymously, in the metropolitan areas of Atlanta, Cleveland, Dallas, Philadelphia, Providence and San Diego.

He participated anonymously in a debate on South Africa, without making any controversial statements; he was the first member of the audience to vote on the question of sanctions.

The man participated anonymously in a genetic study conducted by Dr. Arno Motulsky of the University of Washington in Seattle.

That summer he participated anonymously in the Salzburg Festival.

There are no fees to ask a question of a practitioner nor to host a Q&A, and users may participate anonymously after their qualifications have been approved by site moderators.

However, he anonymously participated in the recording of gramophone records.

"Donations, as a rule, are not refused," explained one recipient who participated anonymously in a recent World Health Organization survey.