| article html file updated | 5 February 2020 17:31 CET | Update | https://www.mdpi.com/2076-2615/1/2/242 |
| article html file updated | 8 January 2020 13:58 CET | Update | - |
| article html file updated | 19 September 2019 04:46 CEST | Update | - |
| article html file updated | 9 May 2019 00:21 CEST | Update | - |
| article html file updated | 20 March 2019 08:05 CET | Update | - |
| article html file updated | 28 October 2015 11:04 CET | Update | - |
| article xml file uploaded | 28 October 2015 11:04 CET | Update | https://www.mdpi.com/2076-2615/1/2/242/xml |
| article html file updated | 29 June 2015 04:16 CEST | Update | - |
| article xml file uploaded | 29 June 2015 04:16 CEST | Update | - |
| article html file updated | 16 June 2015 16:49 CEST | Update | - |
| article html file updated | 14 August 2014 11:40 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | - |
| article html file updated | 14 August 2014 11:20 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:20 CEST | Original file | - |
| article html file updated | 6 February 2013 21:32 CET | Update | - |
| article html file updated | 6 February 2013 01:23 CET | Update | - |
| article html file updated | 28 January 2013 22:47 CET | Update | - |
| article html file updated | 26 January 2013 03:10 CET | Update | - |
| article html file updated | 22 January 2013 17:54 CET | Original file | - |
