| article html file updated | 14 February 2020 10:54 CET | Update | https://www.mdpi.com/2223-7747/8/11/521 |
| article html file updated | 27 November 2019 18:13 CET | Update | - |
| article html file updated | 21 November 2019 10:52 CET | Original file | - |
| article pdf uploaded. | 21 November 2019 10:51 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/521/pdf |
| article xml uploaded. | 21 November 2019 10:51 CET | Update | https://www.mdpi.com/2223-7747/8/11/521/xml |
| article xml file uploaded | 21 November 2019 10:51 CET | Update | - |
| article pdf uploaded. | 18 November 2019 17:02 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/521/pdf-vor |
| article xml file uploaded | 18 November 2019 17:02 CET | Original file | - |
