| article html file updated | 7 February 2020 22:15 CET | Update | https://www.mdpi.com/2079-4991/7/2/27 |
| article html file updated | 23 September 2019 01:42 CEST | Update | - |
| article html file updated | 4 May 2019 13:32 CEST | Update | - |
| article html file updated | 2 March 2017 08:59 CET | Update | - |
| article html file updated | 26 January 2017 09:46 CET | Original file | - |
| article xml uploaded. | 26 January 2017 09:45 CET | Update | https://www.mdpi.com/2079-4991/7/2/27/xml |
| article xml uploaded. | 26 January 2017 09:45 CET | Original file | - |
| article pdf uploaded. | 26 January 2017 09:45 CET | Version of Record | https://www.mdpi.com/2079-4991/7/2/27/pdf |
