| article html file updated | 12 February 2020 15:51 CET | Update | https://www.mdpi.com/2414-4088/3/2/38 |
| article html file updated | 20 October 2019 21:31 CEST | Update | - |
| article html file updated | 28 May 2019 14:01 CEST | Original file | - |
| article pdf uploaded. | 28 May 2019 14:00 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/2/38/pdf |
| article xml uploaded. | 28 May 2019 14:00 CEST | Update | https://www.mdpi.com/2414-4088/3/2/38/xml |
| article xml file uploaded | 28 May 2019 14:00 CEST | Original file | - |
