| article html file updated | 8 February 2020 22:29 CET | Update | https://www.mdpi.com/2073-4360/9/12/653 |
| article html file updated | 28 September 2019 19:45 CEST | Update | - |
| article html file updated | 2 May 2019 12:06 CEST | Update | - |
| article html file updated | 18 April 2019 09:43 CEST | Update | - |
| article html file updated | 2 January 2018 14:31 CET | Update | - |
| article html file updated | 28 November 2017 15:45 CET | Original file | - |
| article xml uploaded. | 28 November 2017 15:43 CET | Update | https://www.mdpi.com/2073-4360/9/12/653/xml |
| article xml uploaded. | 28 November 2017 15:43 CET | Update | - |
| article xml uploaded. | 28 November 2017 15:43 CET | Original file | - |
| article pdf uploaded. | 28 November 2017 15:43 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/653/pdf |
