| article html file updated | 5 February 2020 23:53 CET | Update | https://www.mdpi.com/1660-3397/11/1/99 |
| article html file updated | 8 May 2019 10:05 CEST | Update | - |
| article html file updated | 20 March 2019 16:56 CET | Update | - |
| article html file updated | 17 June 2015 05:21 CEST | Update | - |
| article html file updated | 8 February 2013 09:25 CET | Update | - |
| article html file updated | 7 February 2013 17:44 CET | Update | - |
| article html file updated | 5 February 2013 10:44 CET | Update | - |
| article xml file uploaded | 5 February 2013 10:44 CET | Original file | https://www.mdpi.com/1660-3397/11/1/99/xml |
| article html file updated | 24 January 2013 12:03 CET | Original file | - |
