| article html file updated | 12 February 2020 09:33 CET | Update | https://www.mdpi.com/2414-4088/3/2/30 |
| article html file updated | 19 October 2019 10:51 CEST | Update | N/A |
| article html file updated | 30 May 2019 14:51 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 14:50 CEST | Updated version of record | https://www.mdpi.com/2414-4088/3/2/30/pdf |
| article xml uploaded. | 30 May 2019 14:50 CEST | Update | https://www.mdpi.com/2414-4088/3/2/30/xml |
| article xml file uploaded | 30 May 2019 14:50 CEST | Update | N/A |
| article pdf uploaded. | 2 May 2019 11:42 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/2/30/pdf-vor |
| article xml file uploaded | 2 May 2019 11:42 CEST | Original file | N/A |
