| article html file updated | 5 February 2020 21:53 CET | Update | https://www.mdpi.com/2075-4426/2/3/93 |
| article html file updated | 8 May 2019 14:59 CEST | Update | - |
| article html file updated | 20 March 2019 12:15 CET | Update | - |
| article html file updated | 17 June 2015 02:09 CEST | Update | - |
| article html file updated | 21 July 2014 03:38 CEST | Update | - |
| article xml file uploaded | 21 July 2014 03:38 CEST | Original file | https://www.mdpi.com/2075-4426/2/3/93/xml |
| article html file updated | 7 February 2013 14:52 CET | Update | - |
| article html file updated | 7 February 2013 05:55 CET | Update | - |
| article html file updated | 6 February 2013 10:12 CET | Update | - |
| article html file updated | 29 January 2013 06:27 CET | Update | - |
| article html file updated | 24 January 2013 01:34 CET | Original file | - |
