| article html file updated | 12 February 2020 07:19 CET | Update | https://www.mdpi.com/1911-8074/12/2/71 |
| article html file updated | 5 July 2019 06:52 CEST | Update | - |
| article html file updated | 10 May 2019 07:44 CEST | Original file | - |
| article pdf uploaded. | 10 May 2019 07:43 CEST | Updated version of record | https://www.mdpi.com/1911-8074/12/2/71/pdf |
| article xml uploaded. | 10 May 2019 07:43 CEST | Update | https://www.mdpi.com/1911-8074/12/2/71/xml |
| article xml file uploaded | 10 May 2019 07:43 CEST | Update | - |
| article pdf uploaded. | 24 April 2019 05:50 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/2/71/pdf-vor |
| article xml file uploaded | 24 April 2019 05:50 CEST | Original file | - |
