Featured Scientific Article

1. Add a tip to the author of the article if you like, or keep it at $0, then click “Add to Cart.”
2. Click “View Cart.”
3. On the next page, click “Proceed to Checkout.”
4. Please enter the title of your invited scientific paper in the box labeled “Order Notes.”
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6. If you do not receive a confirmation email within 24 hours, please inform the editor about your payment.