| article html file updated | 11 February 2020 07:37 CET | Update | https://www.mdpi.com/2075-1729/9/1/7 |
| article html file updated | 27 April 2019 09:28 CEST | Update | - |
| article html file updated | 13 April 2019 05:27 CEST | Update | - |
| article html file updated | 3 April 2019 00:16 CEST | Update | - |
| article html file updated | 9 January 2019 09:34 CET | Original file | - |
| article pdf uploaded. | 9 January 2019 09:32 CET | Version of Record | https://www.mdpi.com/2075-1729/9/1/7/pdf |
| article xml uploaded. | 9 January 2019 09:32 CET | Update | https://www.mdpi.com/2075-1729/9/1/7/xml |
| article xml file uploaded | 9 January 2019 09:32 CET | Original file | - |
