* Refers to non-tenured junior scientists. Registration forms must be accompanied by a letter from the head of the department, confirming their status.
** Low income countries: Afghanistan, Angola, Armenia, Azerbaijan, Bangladesh, Belize, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, Central African Republic, Chad, Comores, Congo. Dem. Rep, Cote d'Ivoire, Dominican Republic, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Gambia, Ghana, Guatemala, Guinea, Guinea-Bissau, Haiti, Honduras, India, Jamaica, Kazakhstan, Kenya, Kiribati, Kyrgyz Republic, Laos, Lesotho, Liberia, Madagascar, Malawi, Maldives, Mali, Marshall Islands, Mauritania, Micronesia. Fed. Sts., Moldova, Mongolia, Mozambique, Myanmar, Namibia, Nepal, Nicaragua, Niger, Nigeria, Pakistan, Papua New Guinea, Rwanda, Samoa, Sao Tome