| article html file updated | 8 February 2020 22:39 CET | Update | https://www.mdpi.com/2073-4360/9/12/659 |
| article html file updated | 28 September 2019 20:48 CEST | Update | - |
| article html file updated | 2 May 2019 11:44 CEST | Update | - |
| article html file updated | 18 April 2019 09:21 CEST | Update | - |
| article html file updated | 2 January 2018 14:33 CET | Update | - |
| article html file updated | 30 November 2017 15:54 CET | Original file | - |
| article xml uploaded. | 30 November 2017 11:36 CET | Update | https://www.mdpi.com/2073-4360/9/12/659/xml |
| article xml uploaded. | 30 November 2017 11:36 CET | Original file | - |
| article pdf uploaded. | 30 November 2017 11:36 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/659/pdf |
