| article html file updated | 12 February 2020 01:25 CET | Update | https://www.mdpi.com/2413-8851/3/2/39 |
| article html file updated | 17 October 2019 08:21 CEST | Update | - |
| article html file updated | 29 April 2019 11:01 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 10:59 CEST | Updated version of record | https://www.mdpi.com/2413-8851/3/2/39/pdf |
| article xml uploaded. | 29 April 2019 10:59 CEST | Update | https://www.mdpi.com/2413-8851/3/2/39/xml |
| article xml file uploaded | 29 April 2019 10:59 CEST | Update | - |
| article pdf uploaded. | 25 April 2019 11:38 CEST | Updated version of record | https://www.mdpi.com/2413-8851/3/2/39/pdf-vor |
| article pdf uploaded. | 28 March 2019 13:07 CET | Version of Record | https://www.mdpi.com/2413-8851/3/2/39/pdf-vor |
| article xml file uploaded | 28 March 2019 13:07 CET | Original file | - |
