| article html file updated | 16 August 2026 16:51 CEST | Update | https://www.mdpi.com/2414-4088/3/4/70 |
| article html file updated | 10 October 2020 04:52 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:16 CET | Update | N/A |
| article html file updated | 7 November 2019 03:49 CET | Original file | N/A |
| article pdf uploaded. | 7 November 2019 03:48 CET | Updated version of record | https://www.mdpi.com/2414-4088/3/4/70/pdf |
| article xml uploaded. | 7 November 2019 03:48 CET | Update | https://www.mdpi.com/2414-4088/3/4/70/xml |
| article xml file uploaded | 7 November 2019 03:47 CET | Update | N/A |
| article pdf uploaded. | 26 October 2019 11:52 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/4/70/pdf-vor |
| article xml file uploaded | 26 October 2019 11:52 CEST | Original file | N/A |
