| article html file updated | 9 February 2020 08:50 CET | Update | https://www.mdpi.com/2306-5710/4/1/22 |
| article html file updated | 1 October 2019 07:59 CEST | Update | - |
| article html file updated | 1 May 2019 13:50 CEST | Update | - |
| article html file updated | 17 April 2019 13:28 CEST | Update | - |
| article html file updated | 29 March 2019 04:24 CET | Update | - |
| article html file updated | 6 March 2018 17:42 CET | Original file | - |
| article xml uploaded. | 6 March 2018 17:40 CET | Update | https://www.mdpi.com/2306-5710/4/1/22/xml |
| article pdf uploaded. | 6 March 2018 17:40 CET | Version of Record | https://www.mdpi.com/2306-5710/4/1/22/pdf |
