As a result of the research phase before the highly active antiretroviral therapy (HAART), the Study Group may be free from any interference pay close attention to the development of AIDS patients.

• 由于研究阶段先于高效抗逆转录病毒疗法（HAART），研究小组可在不受干扰的情况下密切关注艾滋病患者病情的发展。