| article html file updated | 8 February 2020 09:59 CET | Update | https://www.mdpi.com/2073-4360/9/7/264 |
| article html file updated | 25 September 2019 17:39 CEST | Update | - |
| article html file updated | 3 May 2019 14:14 CEST | Update | - |
| article html file updated | 15 March 2019 10:16 CET | Update | - |
| article html file updated | 2 August 2017 04:21 CEST | Update | - |
| article html file updated | 3 July 2017 16:18 CEST | Original file | - |
| article xml uploaded. | 3 July 2017 16:17 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/264/xml |
| article pdf uploaded. | 3 July 2017 16:17 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/264/pdf |
