| article html file updated | 5 February 2020 18:31 CET | Update | https://www.mdpi.com/1660-3397/9/11/2188 |
| article html file updated | 8 May 2019 22:17 CEST | Update | - |
| article html file updated | 20 March 2019 10:36 CET | Update | - |
| article html file updated | 16 June 2015 19:40 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/1660-3397/9/11/2188/xml |
| article html file updated | 6 February 2013 23:19 CET | Update | - |
| article html file updated | 6 February 2013 03:08 CET | Update | - |
| article html file updated | 29 January 2013 00:24 CET | Update | - |
| article html file updated | 26 January 2013 05:58 CET | Update | - |
| article html file updated | 23 January 2013 01:20 CET | Original file | - |
