| article html file updated | 12 February 2020 14:26 CET | Update | https://www.mdpi.com/2075-4698/9/2/40 |
| article html file updated | 5 July 2019 07:03 CEST | Update | - |
| article html file updated | 13 June 2019 08:38 CEST | Original file | - |
| article pdf uploaded. | 13 June 2019 08:36 CEST | Updated version of record | https://www.mdpi.com/2075-4698/9/2/40/pdf |
| article xml uploaded. | 13 June 2019 08:36 CEST | Update | https://www.mdpi.com/2075-4698/9/2/40/xml |
| article xml file uploaded | 13 June 2019 08:36 CEST | Update | - |
| article pdf uploaded. | 22 May 2019 16:13 CEST | Version of Record | https://www.mdpi.com/2075-4698/9/2/40/pdf-vor |
| article xml file uploaded | 22 May 2019 16:13 CEST | Original file | - |
