| article html file updated | 8 February 2020 23:26 CET | Update | https://www.mdpi.com/2073-4360/9/12/686 |
| article html file updated | 29 September 2019 01:28 CEST | Update | - |
| article html file updated | 2 May 2019 10:01 CEST | Update | - |
| article html file updated | 18 April 2019 07:40 CEST | Update | - |
| article html file updated | 2 January 2018 14:41 CET | Update | - |
| article html file updated | 7 December 2017 15:17 CET | Original file | - |
| article xml uploaded. | 7 December 2017 15:16 CET | Original file | https://www.mdpi.com/2073-4360/9/12/686/xml |
| article pdf uploaded. | 7 December 2017 15:16 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/686/pdf |
| article pdf uploaded. | 7 December 2017 12:39 CET | Version of Record | - |
