| article html file updated | 5 February 2020 14:05 CET | Update | https://www.mdpi.com/1660-3397/8/4/1049 |
| article html file updated | 9 May 2019 07:20 CEST | Update | - |
| article html file updated | 19 March 2019 23:23 CET | Update | - |
| article html file updated | 16 June 2015 09:02 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/4/1049/xml |
| article html file updated | 6 February 2013 17:04 CET | Update | - |
| article html file updated | 5 February 2013 21:13 CET | Update | - |
| article html file updated | 28 January 2013 18:47 CET | Update | - |
| article html file updated | 25 January 2013 21:40 CET | Update | - |
| article html file updated | 21 January 2013 22:20 CET | Update | - |
| article html file updated | 18 January 2013 04:27 CET | Original file | - |
