| article html file updated | 6 February 2020 11:32 CET | Update | https://www.mdpi.com/2079-4991/4/3/712 |
| article html file updated | 7 May 2019 09:34 CEST | Update | - |
| article html file updated | 21 March 2019 23:16 CET | Update | - |
| article html file updated | 16 February 2017 04:07 CET | Update | - |
| article html file updated | 20 August 2015 15:41 CEST | Original file | - |
| article pdf uploaded. | 20 August 2014 08:09 CEST | Updated version of record | https://www.mdpi.com/2079-4991/4/3/712/pdf |
| article pdf uploaded. | 18 August 2014 14:10 CEST | Version of Record | https://www.mdpi.com/2079-4991/4/3/712/pdf-vor |
