| article html file updated | 8 February 2020 22:38 CET | Update | https://www.mdpi.com/2072-6694/9/12/164 |
| article html file updated | 28 September 2019 20:37 CEST | Update | - |
| article html file updated | 2 May 2019 11:48 CEST | Update | - |
| article html file updated | 18 April 2019 09:24 CEST | Update | - |
| article html file updated | 2 January 2018 18:04 CET | Update | - |
| article html file updated | 30 November 2017 14:30 CET | Original file | - |
| article xml uploaded. | 30 November 2017 10:04 CET | Update | https://www.mdpi.com/2072-6694/9/12/164/xml |
| article xml uploaded. | 30 November 2017 10:04 CET | Original file | - |
| article pdf uploaded. | 30 November 2017 10:04 CET | Version of Record | https://www.mdpi.com/2072-6694/9/12/164/pdf |
