Featured Scientific Article and Certificate

1. Add a tip to the author of the article if you like, or keep it at $0.
2. If you would like to receive an online version of the certificate as soon as it is printed, please select that option.
3. Click “Add to Cart.”
4. Click “View Cart.”
5. On the next page, click “Proceed to Checkout.”
6. Please enter your invited scientific paper title in the box labeled “Order Notes.”
7. Major credit cards are accepted, including MasterCard, Visa, Apple Pay, and more.
8. If you do not receive a confirmation email within 24 hours, please inform the editor about your payment.