| article html file updated | 8 February 2020 23:43 CET | Update | https://www.mdpi.com/2073-8994/9/12/314 |
| article html file updated | 2 May 2019 09:22 CEST | Update | - |
| article html file updated | 18 April 2019 07:05 CEST | Update | - |
| article html file updated | 2 January 2018 17:39 CET | Update | - |
| article html file updated | 12 December 2017 23:30 CET | Original file | - |
| article xml uploaded. | 12 December 2017 05:00 CET | Original file | https://www.mdpi.com/2073-8994/9/12/314/xml |
| article pdf uploaded. | 12 December 2017 05:00 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/12/314/pdf |
| article pdf uploaded. | 11 December 2017 15:52 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/314/pdf-vor |
