| article html file updated | 9 February 2020 04:11 CET | Update | https://www.mdpi.com/2504-4494/2/1/7 |
| article html file updated | 30 September 2019 04:30 CEST | Update | - |
| article html file updated | 1 May 2019 23:53 CEST | Update | - |
| article html file updated | 17 April 2019 22:25 CEST | Update | - |
| article html file updated | 28 March 2019 18:01 CET | Update | - |
| article html file updated | 24 January 2018 16:57 CET | Original file | - |
| article xml uploaded. | 24 January 2018 16:56 CET | Update | https://www.mdpi.com/2504-4494/2/1/7/xml |
| article xml uploaded. | 24 January 2018 16:56 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 16:56 CET | Version of Record | https://www.mdpi.com/2504-4494/2/1/7/pdf |
