| article html file updated | 8 January 2020 19:35 CET | Update | https://www.mdpi.com/1424-8220/13/1/86 |
| article html file updated | 19 September 2019 16:02 CEST | Update | - |
| article html file updated | 8 March 2017 10:55 CET | Update | - |
| article html file updated | 17 June 2015 05:01 CEST | Update | - |
| article html file updated | 30 October 2013 09:09 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:08 CET | Update | https://www.mdpi.com/1424-8220/13/1/86/xml |
| article html file updated | 23 April 2013 14:34 CEST | Update | - |
| article xml file uploaded | 23 April 2013 14:34 CEST | Update | - |
| article html file updated | 26 March 2013 10:48 CET | Update | - |
| article xml file uploaded | 26 March 2013 10:48 CET | Update | - |
| article html file updated | 5 March 2013 16:34 CET | Update | - |
| article xml file uploaded | 5 March 2013 16:34 CET | Update | - |
| article html file updated | 22 February 2013 08:03 CET | Original file | - |
| article xml file uploaded | 22 February 2013 08:02 CET | Original file | - |
