| article html file updated | 5 February 2020 19:35 CET | Update | https://www.mdpi.com/2075-4450/3/1/270 |
| article html file updated | 8 May 2019 20:00 CEST | Update | - |
| article html file updated | 25 March 2019 09:38 CET | Update | - |
| article html file updated | 16 June 2015 22:02 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/2075-4450/3/1/270/xml |
| article html file updated | 7 February 2013 10:50 CET | Update | - |
| article html file updated | 7 February 2013 00:56 CET | Update | - |
| article html file updated | 6 February 2013 06:19 CET | Update | - |
| article html file updated | 29 January 2013 01:58 CET | Update | - |
| article html file updated | 26 January 2013 08:29 CET | Update | - |
| article html file updated | 23 January 2013 11:19 CET | Original file | - |
