| article html file updated | 9 February 2020 21:19 CET | Update | https://www.mdpi.com/2411-5134/3/2/37 |
| article html file updated | 4 October 2019 13:23 CEST | Update | - |
| article html file updated | 30 April 2019 11:16 CEST | Update | - |
| article html file updated | 16 April 2019 11:41 CEST | Update | - |
| article html file updated | 16 April 2019 06:32 CEST | Update | - |
| article html file updated | 30 March 2019 10:24 CET | Update | - |
| article html file updated | 13 June 2018 10:38 CEST | Original file | - |
| article pdf uploaded. | 13 June 2018 10:37 CEST | Version of Record | https://www.mdpi.com/2411-5134/3/2/37/pdf |
| article xml uploaded. | 13 June 2018 10:37 CEST | Update | https://www.mdpi.com/2411-5134/3/2/37/xml |
| article xml file uploaded | 13 June 2018 10:37 CEST | Original file | - |
