| article html file updated | 5 February 2020 18:16 CET | Update | https://www.mdpi.com/1660-3397/9/10/1698 |
| article html file updated | 8 May 2019 22:49 CEST | Update | - |
| article html file updated | 20 March 2019 09:58 CET | Update | - |
| article html file updated | 16 June 2015 18:54 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1660-3397/9/10/1698/xml |
| article html file updated | 6 February 2013 22:52 CET | Update | - |
| article html file updated | 6 February 2013 02:38 CET | Update | - |
| article html file updated | 28 January 2013 23:59 CET | Update | - |
| article html file updated | 26 January 2013 05:21 CET | Update | - |
| article html file updated | 22 January 2013 23:11 CET | Original file | - |
