| article html file updated | 8 February 2020 12:21 CET | Update | https://www.mdpi.com/2073-4360/9/8/319 |
| article html file updated | 26 September 2019 06:10 CEST | Update | - |
| article html file updated | 3 May 2019 09:22 CEST | Update | - |
| article html file updated | 27 March 2019 18:21 CET | Update | - |
| article html file updated | 1 September 2017 07:24 CEST | Update | - |
| article html file updated | 30 July 2017 13:10 CEST | Original file | - |
| article xml uploaded. | 30 July 2017 13:09 CEST | Original file | https://www.mdpi.com/2073-4360/9/8/319/xml |
| article pdf uploaded. | 30 July 2017 13:09 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/8/319/pdf |
