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@@ -104,22 +104,22 @@ Fraternali, F. and van Gunsteren, W.F.<br>
 Fraternali, F. and Cavallo, L.<br>
 *Parameter optimized surfaces (POPS): analysis of key interactions and conformational changes in the ribosome.*<br>
 **Nucleic Acids Research** 30 (2002) 2950-2960.<br>
-[![doi](https://img.shields.io/badge/doi-10.1016%2Fj.jmb.2014.03.010-blue.svg?style=flat)](https://dx.doi.org/10.1093%2Fnar%2Fgkf373)
-[![pubmed](https://img.shields.io/badge/pubmed-24681267-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC117037/)
+[![doi](https://im)](https://dx.doi.org/10.1093%2Fnar%2Fgkf373)
+[![pubmed](https://img.shields.io/badge/pubmed-117037-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC117037/)
 
 #### POPS server
 Cavallo, L., Kleinjung, J. and Fraternali, F.<br>
 *POPS: A fast algorithm for solvent accessible surface areas at atomic and residue level.*<br>
 **Nucleic Acids Research** 31 (2003) 3364-3366.<br>
-[![doi](https://img.shields.io/badge/doi-10.1016%2Fj.jmb.2014.03.010-blue.svg?style=flat)](https://dx.doi.org/10.1093%2Fnar%2Fgkg601)
-[![pubmed](https://img.shields.io/badge/pubmed-24681267-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC169007/)
+[![doi](https://img.shields.io/badge/doi-0.1093%2Fnar%2Fgkg601-blue.svg?style=flat)](https://dx.doi.org/10.1093%2Fnar%2Fgkg601)
+[![pubmed](https://img.shields.io/badge/pubmed-169007-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC169007/)
 
 #### POPSCOMP method and server
 Kleinjung, J. and Fraternali, F.<br>
 *POPSCOMP: an automated interaction analysis of biomolecular complexes.*<br>
 **Nucleic Acids Research** 33 (2005) W342-W346.<br>
-[![doi](https://img.shields.io/badge/doi-10.1016%2Fj.jmb.2014.03.010-blue.svg?style=flat)](https://dx.doi.org/10.1093%2Fnar%2Fgki369)
-[![pubmed](https://img.shields.io/badge/pubmed-24681267-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1160130/)
+[![doi](https://img.shields.io/badge/doi-10.1093%2Fnar%2Fgki369-blue.svg?style=flat)](https://dx.doi.org/10.1093%2Fnar%2Fgki369)
+[![pubmed](https://img.shields.io/badge/pubmed-1160130-blue.svg?style=flat)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1160130/)
 
 
 ## Contributing