| article html file updated | 7 February 2020 21:18 CET | Update | https://www.mdpi.com/2079-4991/7/1/14 |
| article html file updated | 4 May 2019 15:42 CEST | Update | - |
| article html file updated | 7 February 2017 12:59 CET | Update | - |
| article html file updated | 12 January 2017 08:49 CET | Original file | - |
| article xml uploaded. | 12 January 2017 08:48 CET | Original file | https://www.mdpi.com/2079-4991/7/1/14/xml |
| article pdf uploaded. | 12 January 2017 08:48 CET | Version of Record | https://www.mdpi.com/2079-4991/7/1/14/pdf |
