| article html file updated | 6 February 2020 08:38 CET | Update | https://www.mdpi.com/2075-4426/4/2/200 |
| article html file updated | 7 May 2019 15:49 CEST | Update | - |
| article html file updated | 21 March 2019 15:36 CET | Update | - |
| article html file updated | 20 August 2015 03:24 CEST | Update | - |
| article html file updated | 24 July 2014 10:23 CEST | Original file | - |
| article xml file uploaded | 24 July 2014 10:23 CEST | Original file | https://www.mdpi.com/2075-4426/4/2/200/xml |
| article pdf uploaded. | 16 April 2014 09:55 CEST | Version of Record | https://www.mdpi.com/2075-4426/4/2/200/pdf |
