| article html file updated | 8 February 2020 23:20 CET | Update | https://www.mdpi.com/2073-4360/9/12/676 |
| article html file updated | 29 September 2019 00:56 CEST | Update | - |
| article html file updated | 2 May 2019 10:12 CEST | Update | - |
| article html file updated | 18 April 2019 07:51 CEST | Update | - |
| article html file updated | 2 January 2018 14:39 CET | Update | - |
| article html file updated | 6 December 2017 12:45 CET | Original file | - |
| article xml uploaded. | 6 December 2017 12:44 CET | Original file | https://www.mdpi.com/2073-4360/9/12/676/xml |
| article pdf uploaded. | 6 December 2017 12:44 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/676/pdf |
