| article html file updated | 5 February 2020 15:58 CET | Update | https://www.mdpi.com/1660-3397/8/12/2849 |
| article html file updated | 9 May 2019 03:24 CEST | Update | - |
| article html file updated | 20 March 2019 04:16 CET | Update | - |
| article html file updated | 16 June 2015 12:46 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/1660-3397/8/12/2849/xml |
| article html file updated | 6 February 2013 19:04 CET | Update | - |
| article html file updated | 5 February 2013 22:58 CET | Update | - |
| article html file updated | 28 January 2013 20:30 CET | Update | - |
| article html file updated | 26 January 2013 00:02 CET | Update | - |
| article html file updated | 22 January 2013 06:29 CET | Original file | - |
