| article html file updated | 12 February 2020 20:56 CET | Update | https://www.mdpi.com/2414-4088/3/2/44 |
| article html file updated | 25 June 2019 03:50 CEST | Update | N/A |
| article pdf uploaded. | 25 June 2019 03:49 CEST | Updated version of record | https://www.mdpi.com/2414-4088/3/2/44/pdf |
| article xml uploaded. | 25 June 2019 03:49 CEST | Update | https://www.mdpi.com/2414-4088/3/2/44/xml |
| article xml file uploaded | 25 June 2019 03:49 CEST | Update | N/A |
| article html file updated | 21 June 2019 06:53 CEST | Original file | N/A |
| article pdf uploaded. | 20 June 2019 09:14 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/2/44/pdf-vor |
| article xml file uploaded | 20 June 2019 09:14 CEST | Original file | N/A |
