If you are the author of an accepted poster, you can still benefit from the early registration prices until April 30th. Simply register normally, select bank transfer as your payment option and send an e-mail to Katy (katy@delicias.dia.fi.upm.es) notifying her that you are a poster author and want to benefit from early registration prices, together with the payment option that you prefer (bank transfer or credit card). She will send you back a link where you can proceed with the payment.