| article html file updated | 8 February 2020 10:51 CET | Update | https://www.mdpi.com/2073-4360/9/7/280 |
| article html file updated | 25 September 2019 21:54 CEST | Update | - |
| article html file updated | 3 May 2019 12:40 CEST | Update | - |
| article html file updated | 15 March 2019 10:19 CET | Update | - |
| article html file updated | 2 August 2017 04:24 CEST | Update | - |
| article html file updated | 12 July 2017 15:13 CEST | Original file | - |
| article xml uploaded. | 12 July 2017 15:12 CEST | Update | https://www.mdpi.com/2073-4360/9/7/280/xml |
| article pdf uploaded. | 12 July 2017 15:12 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/280/pdf |
