| article html file updated | 5 February 2020 20:01 CET | Update | https://www.mdpi.com/2075-4450/3/2/432 |
| article html file updated | 19 September 2019 09:39 CEST | Update | - |
| article html file updated | 8 May 2019 19:00 CEST | Update | - |
| article html file updated | 25 March 2019 10:25 CET | Update | - |
| article html file updated | 16 June 2015 23:05 CEST | Update | - |
| article html file updated | 27 January 2015 07:02 CET | Update | - |
| article xml file uploaded | 27 January 2015 07:02 CET | Update | https://www.mdpi.com/2075-4450/3/2/432/xml |
| article html file updated | 7 February 2013 11:39 CET | Update | - |
| article html file updated | 7 February 2013 01:39 CET | Update | - |
| article html file updated | 6 February 2013 07:04 CET | Update | - |
| article html file updated | 29 January 2013 02:43 CET | Update | - |
| article html file updated | 26 January 2013 09:34 CET | Update | - |
| article html file updated | 23 January 2013 14:52 CET | Update | - |
| article html file updated | 16 January 2013 13:12 CET | Original file | - |
| article xml file uploaded | 16 January 2013 13:11 CET | Original file | - |
