Registration deadline: June 30 2011 To submit and abstract or otherwise attend the meeting you must to register in one of the following categories:  Student - Regular  U$S 210 Student - Developing countries  U$S 150 Professional - Regular U$S 350 Proffesional - Developing countries U$S 250 Payment Preferred payment means are credit cards (VISA and MASTERCARD). To pay with credit card please fill the registration  form at www.registration-biolief.grieta.org.ar and save the operation ID number that would identify your payment (click here  to see sample - ID number: AD_126). Please use the same email address for registration and abstract submission. If you prefer to pay via a direct deposit please contact us at biolief@grieta.org.ar. Note that extra charges may apply for  international deposits. Refund Policy  Before July 31: 75% refund   /  After July 31: no refund  Developing Countries are defined based on  the income classification scheme of the World  Bank. Click here for a list of eligible countries.