| article html file updated | 6 February 2020 08:19 CET | Update | https://www.mdpi.com/2079-4991/4/2/222 |
| article html file updated | 7 May 2019 16:29 CEST | Update | - |
| article html file updated | 21 March 2019 14:51 CET | Update | - |
| article html file updated | 16 February 2017 04:01 CET | Update | - |
| article html file updated | 20 August 2015 01:59 CEST | Update | - |
| article html file updated | 24 September 2014 14:20 CEST | Original file | - |
| article xml file uploaded | 24 September 2014 14:20 CEST | Original file | https://www.mdpi.com/2079-4991/4/2/222/xml |
| article pdf uploaded. | 11 April 2014 16:05 CEST | Updated version of record | https://www.mdpi.com/2079-4991/4/2/222/pdf |
| article pdf uploaded. | 2 April 2014 10:42 CEST | Version of Record | https://www.mdpi.com/2079-4991/4/2/222/pdf-vor |
