| article html file updated | 7 February 2020 23:33 CET | Update | https://www.mdpi.com/2079-4991/7/2/43 |
| article html file updated | 23 September 2019 08:46 CEST | Update | - |
| article html file updated | 4 May 2019 10:57 CEST | Update | - |
| article html file updated | 2 March 2017 09:12 CET | Update | - |
| article html file updated | 16 February 2017 11:10 CET | Original file | - |
| article xml uploaded. | 16 February 2017 11:09 CET | Original file | https://www.mdpi.com/2079-4991/7/2/43/xml |
| article pdf uploaded. | 16 February 2017 11:09 CET | Version of Record | https://www.mdpi.com/2079-4991/7/2/43/pdf |
