| article html file updated | 5 February 2020 21:51 CET | Update | https://www.mdpi.com/2075-4426/2/3/71 |
| article html file updated | 8 May 2019 15:03 CEST | Update | - |
| article html file updated | 20 March 2019 12:11 CET | Update | - |
| article html file updated | 17 June 2015 02:07 CEST | Update | - |
| article html file updated | 21 July 2014 03:39 CEST | Update | - |
| article xml file uploaded | 21 July 2014 03:39 CEST | Original file | https://www.mdpi.com/2075-4426/2/3/71/xml |
| article html file updated | 7 February 2013 14:50 CET | Update | - |
| article html file updated | 7 February 2013 05:52 CET | Update | - |
| article html file updated | 6 February 2013 10:09 CET | Update | - |
| article html file updated | 29 January 2013 06:25 CET | Update | - |
| article html file updated | 24 January 2013 01:29 CET | Original file | - |
