| article html file updated | 12 February 2020 20:02 CET | Update | https://www.mdpi.com/2223-7747/8/6/177 |
| article html file updated | 21 October 2019 23:38 CEST | Update | - |
| article html file updated | 5 July 2019 16:12 CEST | Update | - |
| article html file updated | 5 July 2019 13:49 CEST | Update | - |
| article html file updated | 16 June 2019 10:29 CEST | Original file | - |
| article pdf uploaded. | 16 June 2019 10:28 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/6/177/pdf |
| article xml uploaded. | 16 June 2019 10:28 CEST | Update | https://www.mdpi.com/2223-7747/8/6/177/xml |
| article xml file uploaded | 16 June 2019 10:28 CEST | Original file | - |
