| article html file updated | 5 February 2020 22:44 CET | Update | https://www.mdpi.com/2075-4426/2/4/217 |
| article html file updated | 8 May 2019 12:52 CEST | Update | N/A |
| article html file updated | 20 March 2019 14:24 CET | Update | N/A |
| article html file updated | 17 June 2015 03:35 CEST | Update | N/A |
| article html file updated | 21 July 2014 03:39 CEST | Update | N/A |
| article xml file uploaded | 21 July 2014 03:39 CEST | Original file | https://www.mdpi.com/2075-4426/2/4/217/xml |
| article html file updated | 7 February 2013 16:21 CET | Update | N/A |
| article html file updated | 24 January 2013 07:06 CET | Original file | N/A |
