| article html file updated | 7 February 2020 21:40 CET | Update | https://www.mdpi.com/2079-4991/7/1/19 |
| article html file updated | 22 September 2019 22:32 CEST | Update | - |
| article html file updated | 4 May 2019 14:45 CEST | Update | - |
| article html file updated | 7 February 2017 13:01 CET | Update | - |
| article html file updated | 18 January 2017 09:08 CET | Original file | - |
| article xml uploaded. | 18 January 2017 09:06 CET | Original file | https://www.mdpi.com/2079-4991/7/1/19/xml |
| article pdf uploaded. | 18 January 2017 09:06 CET | Version of Record | https://www.mdpi.com/2079-4991/7/1/19/pdf |
