BACKGROUND Women have historically been under-represented in HIV research, partly due to ineffective recruitment strategies. OBJECTIVE To improve the existing understanding of recruitment for HIV-positive women based on a province-wide cross-sectional study. METHODS A survey was emailed to all site coordinators who recruited participants in a study involving 490 HIV-positive women living in...

Human resources management (HRM) have been increased its functionality and popularity in the shipping business, due to the expeditiously changes in technology, market strategies, risks and challenges in transportation industry. Despite the requirements of International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), held by International Maritime Organi...

The pick-up and delivery problem (PDP) consists in finding a set of optimal routes for a fleet of vehicles respecting the precedence and pairing constraints and visiting all transportation requests. The transport of personnel on oil platforms is a real application of PDP which we are interested in. The problem is modeled as a set covering problem that is solved via a column generation technique...

Ensuring that the daily movement of millions of passengers and tons of goods in the Metropolitan Region of Rio de Janeiro-with a population of more than 10 million peoplecan be satisfactorily and safely accomplished is a complex task. It involves several transportation modes; federal, state, and local agencies; public and private operators; and skilled personnel. Very often parts of the system ...