| article html file updated | 9 February 2020 11:58 CET | Update | https://www.mdpi.com/2075-5309/8/4/54 |
| article html file updated | 2 October 2019 03:44 CEST | Update | - |
| article html file updated | 1 May 2019 07:12 CEST | Update | - |
| article html file updated | 17 April 2019 07:13 CEST | Update | - |
| article html file updated | 29 March 2019 11:28 CET | Update | - |
| article html file updated | 1 May 2018 10:09 CEST | Update | - |
| article html file updated | 30 March 2018 16:25 CEST | Original file | - |
| article xml uploaded. | 30 March 2018 16:23 CEST | Original file | https://www.mdpi.com/2075-5309/8/4/54/xml |
| article pdf uploaded. | 30 March 2018 16:23 CEST | Version of Record | https://www.mdpi.com/2075-5309/8/4/54/pdf |
