| article html file updated | 12 February 2020 02:45 CET | Update | https://www.mdpi.com/2075-1680/8/2/39 |
| article html file updated | 5 July 2019 21:56 CEST | Update | N/A |
| article html file updated | 9 May 2019 05:21 CEST | Original file | N/A |
| article pdf uploaded. | 9 May 2019 05:20 CEST | Updated version of record | https://www.mdpi.com/2075-1680/8/2/39/pdf |
| article xml uploaded. | 9 May 2019 05:20 CEST | Update | https://www.mdpi.com/2075-1680/8/2/39/xml |
| article xml file uploaded | 9 May 2019 05:20 CEST | Update | N/A |
| article pdf uploaded. | 3 April 2019 12:26 CEST | Version of Record | https://www.mdpi.com/2075-1680/8/2/39/pdf-vor |
| article xml file uploaded | 3 April 2019 12:26 CEST | Original file | N/A |
