| article html file updated | 8 February 2020 23:49 CET | Update | https://www.mdpi.com/2073-4360/9/12/704 |
| article html file updated | 2 May 2019 09:09 CEST | Update | - |
| article html file updated | 18 April 2019 06:53 CEST | Update | - |
| article html file updated | 2 January 2018 14:47 CET | Update | - |
| article html file updated | 12 December 2017 08:45 CET | Original file | - |
| article xml uploaded. | 12 December 2017 08:43 CET | Original file | https://www.mdpi.com/2073-4360/9/12/704/xml |
| article pdf uploaded. | 12 December 2017 08:43 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/704/pdf |
