| article html file updated | 5 February 2020 21:59 CET | Update | https://www.mdpi.com/2076-3425/2/3/405 |
| article html file updated | 19 September 2019 13:23 CEST | Update | - |
| article html file updated | 8 May 2019 14:46 CEST | Update | - |
| article html file updated | 20 March 2019 12:33 CET | Update | - |
| article html file updated | 17 June 2015 02:17 CEST | Update | - |
| article html file updated | 20 May 2014 08:32 CEST | Update | - |
| article xml file uploaded | 20 May 2014 08:32 CEST | Original file | https://www.mdpi.com/2076-3425/2/3/405/xml |
| article html file updated | 7 February 2013 14:59 CET | Update | - |
| article html file updated | 7 February 2013 06:06 CET | Update | - |
| article html file updated | 6 February 2013 10:19 CET | Update | - |
| article html file updated | 29 January 2013 06:35 CET | Update | - |
| article html file updated | 24 January 2013 01:59 CET | Original file | - |
