| article html file updated | 5 February 2020 18:05 CET | Update | https://www.mdpi.com/1660-4601/8/9/3609 |
| article html file updated | 19 September 2019 05:56 CEST | Update | - |
| article html file updated | 8 May 2019 23:11 CEST | Update | - |
| article html file updated | 20 March 2019 09:31 CET | Update | - |
| article html file updated | 16 June 2015 18:14 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1660-4601/8/9/3609/xml |
| article html file updated | 14 August 2014 11:42 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:42 CEST | Update | - |
| article html file updated | 14 August 2014 11:22 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:22 CEST | Original file | - |
| article html file updated | 6 February 2013 22:34 CET | Update | - |
| article html file updated | 6 February 2013 02:20 CET | Update | - |
| article html file updated | 28 January 2013 23:42 CET | Update | - |
| article html file updated | 26 January 2013 04:55 CET | Update | - |
| article html file updated | 22 January 2013 21:52 CET | Original file | - |
