If you want to support us and contribute to the development of this website and in our research work, you can make a donation through the following procedures.  
  Through this link you will be redirected to our secure method of PayPal donations  
  You can use our email to send your donate using your own Paypal application
Use this address:
  You can use this QR code. Just click on it and you will see it bigger  
If you have some problem, you want to ask anything, or you want to propose another payment method or different ways to contribute, just contact with us on the section "contact" up to the right.