| article html file updated | 8 February 2020 22:43 CET | Update | https://www.mdpi.com/2075-5309/7/4/111 |
| article html file updated | 28 September 2019 21:13 CEST | Update | - |
| article html file updated | 2 May 2019 11:34 CEST | Update | - |
| article html file updated | 18 April 2019 09:11 CEST | Update | - |
| article html file updated | 3 January 2018 09:01 CET | Update | - |
| article html file updated | 1 December 2017 07:26 CET | Original file | - |
| article xml uploaded. | 1 December 2017 07:25 CET | Update | https://www.mdpi.com/2075-5309/7/4/111/xml |
| article xml uploaded. | 1 December 2017 07:25 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 07:25 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/111/pdf |
