| article html file updated | 5 February 2020 19:55 CET | Update | https://www.mdpi.com/2075-4450/3/2/396 |
| article html file updated | 8 May 2019 19:17 CEST | Update | - |
| article html file updated | 25 March 2019 10:15 CET | Update | - |
| article html file updated | 16 June 2015 22:47 CEST | Update | - |
| article html file updated | 27 January 2015 07:02 CET | Update | - |
| article xml file uploaded | 27 January 2015 07:02 CET | Original file | https://www.mdpi.com/2075-4450/3/2/396/xml |
| article html file updated | 7 February 2013 11:23 CET | Update | - |
| article html file updated | 7 February 2013 01:26 CET | Update | - |
| article html file updated | 6 February 2013 06:51 CET | Update | - |
| article html file updated | 29 January 2013 02:30 CET | Update | - |
| article html file updated | 26 January 2013 09:16 CET | Update | - |
| article html file updated | 23 January 2013 13:47 CET | Original file | - |
