| article html file updated | 5 February 2020 20:58 CET | Update | https://www.mdpi.com/2072-4292/4/7/1974 |
| article html file updated | 8 May 2019 16:57 CEST | Update | - |
| article html file updated | 25 March 2019 12:22 CET | Update | - |
| article html file updated | 17 June 2015 00:43 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/2072-4292/4/7/1974/xml |
| article html file updated | 7 February 2013 13:12 CET | Update | - |
| article html file updated | 7 February 2013 03:04 CET | Update | - |
| article html file updated | 6 February 2013 08:31 CET | Update | - |
| article html file updated | 29 January 2013 05:00 CET | Update | - |
| article html file updated | 26 January 2013 11:38 CET | Update | - |
| article html file updated | 23 January 2013 20:57 CET | Original file | - |
