| article html file updated | 10 February 2020 13:00 CET | Update | https://www.mdpi.com/2414-4088/2/4/64 |
| article html file updated | 8 October 2019 09:01 CEST | Update | - |
| article html file updated | 29 April 2019 01:44 CEST | Update | - |
| article html file updated | 14 April 2019 21:04 CEST | Update | - |
| article html file updated | 31 March 2019 23:16 CEST | Update | - |
| article html file updated | 27 September 2018 08:50 CEST | Original file | - |
| article pdf uploaded. | 27 September 2018 08:48 CEST | Version of Record | https://www.mdpi.com/2414-4088/2/4/64/pdf |
| article xml uploaded. | 27 September 2018 08:48 CEST | Update | https://www.mdpi.com/2414-4088/2/4/64/xml |
| article xml file uploaded | 27 September 2018 08:48 CEST | Original file | - |