| article html file updated | 12 February 2020 06:49 CET | Update | https://www.mdpi.com/2075-1680/8/2/47 |
| article html file updated | 18 October 2019 18:07 CEST | Update | - |
| article html file updated | 5 July 2019 21:57 CEST | Update | - |
| article html file updated | 10 May 2019 07:10 CEST | Original file | - |
| article pdf uploaded. | 10 May 2019 07:09 CEST | Updated version of record | https://www.mdpi.com/2075-1680/8/2/47/pdf |
| article xml uploaded. | 10 May 2019 07:09 CEST | Update | https://www.mdpi.com/2075-1680/8/2/47/xml |
| article xml file uploaded | 10 May 2019 07:09 CEST | Update | - |
| article pdf uploaded. | 21 April 2019 10:17 CEST | Version of Record | https://www.mdpi.com/2075-1680/8/2/47/pdf-vor |
| article xml file uploaded | 21 April 2019 10:17 CEST | Original file | - |
