| article html file updated | 11 February 2020 07:52 CET | Update | https://www.mdpi.com/2223-7747/8/1/17 |
| article html file updated | 27 April 2019 08:55 CEST | Update | - |
| article html file updated | 13 April 2019 04:55 CEST | Update | - |
| article html file updated | 3 April 2019 00:52 CEST | Update | - |
| article html file updated | 30 January 2019 04:58 CET | Update | - |
| article html file updated | 11 January 2019 01:39 CET | Original file | - |
| article pdf uploaded. | 10 January 2019 08:16 CET | Version of Record | https://www.mdpi.com/2223-7747/8/1/17/pdf |
| article xml uploaded. | 10 January 2019 08:16 CET | Update | https://www.mdpi.com/2223-7747/8/1/17/xml |
| article xml file uploaded | 10 January 2019 08:16 CET | Original file | - |
