| article html file updated | 12 February 2020 06:47 CET | Update | https://www.mdpi.com/2414-4088/3/2/28 |
| article html file updated | 18 October 2019 17:53 CEST | Update | - |
| article html file updated | 28 April 2019 11:55 CEST | Original file | - |
| article pdf uploaded. | 28 April 2019 11:53 CEST | Updated version of record | https://www.mdpi.com/2414-4088/3/2/28/pdf |
| article xml uploaded. | 28 April 2019 11:53 CEST | Update | https://www.mdpi.com/2414-4088/3/2/28/xml |
| article xml file uploaded | 28 April 2019 11:53 CEST | Update | - |
| article pdf uploaded. | 20 April 2019 13:56 CEST | Version of Record | https://www.mdpi.com/2414-4088/3/2/28/pdf-vor |
| article xml file uploaded | 20 April 2019 13:56 CEST | Original file | - |
