| article html file updated | 5 February 2020 23:45 CET | Update | https://www.mdpi.com/1424-8220/13/1/550 |
| article html file updated | 8 May 2019 10:22 CEST | Update | - |
| article html file updated | 20 March 2019 16:38 CET | Update | - |
| article html file updated | 3 March 2017 09:38 CET | Update | - |
| article html file updated | 17 June 2015 05:10 CEST | Update | - |
| article html file updated | 30 October 2013 09:14 CET | Update | - |
| article xml file uploaded | 30 October 2013 09:14 CET | Update | https://www.mdpi.com/1424-8220/13/1/550/xml |
| article html file updated | 23 April 2013 14:43 CEST | Update | - |
| article xml file uploaded | 23 April 2013 14:43 CEST | Update | - |
| article html file updated | 26 March 2013 10:51 CET | Update | - |
| article xml file uploaded | 26 March 2013 10:51 CET | Update | - |
| article html file updated | 5 March 2013 16:38 CET | Update | - |
| article xml file uploaded | 5 March 2013 16:38 CET | Update | - |
| article html file updated | 22 February 2013 08:17 CET | Original file | - |
| article xml file uploaded | 22 February 2013 08:17 CET | Original file | - |
