| article html file updated | 11 February 2020 04:19 CET | Update | https://www.mdpi.com/1911-8074/12/1/2 |
| article html file updated | 27 April 2019 16:48 CEST | Update | - |
| article html file updated | 13 April 2019 12:39 CEST | Update | - |
| article html file updated | 2 April 2019 16:17 CEST | Update | - |
| article html file updated | 22 December 2018 09:32 CET | Update | - |
| article pdf uploaded. | 22 December 2018 09:30 CET | Updated version of record | https://www.mdpi.com/1911-8074/12/1/2/pdf |
| article xml file uploaded | 22 December 2018 09:30 CET | Update | https://www.mdpi.com/1911-8074/12/1/2/xml |
| article html file updated | 20 December 2018 11:25 CET | Original file | - |
| article pdf uploaded. | 20 December 2018 11:23 CET | Version of Record | https://www.mdpi.com/1911-8074/12/1/2/pdf-vor |
| article xml uploaded. | 20 December 2018 11:23 CET | Update | - |
| article xml file uploaded | 20 December 2018 11:23 CET | Original file | - |
