| article html file updated | 12 February 2020 16:30 CET | Update | https://www.mdpi.com/2220-9964/8/6/256 |
| article html file updated | 21 October 2019 01:16 CEST | Update | - |
| article html file updated | 5 July 2019 22:26 CEST | Update | - |
| article html file updated | 3 June 2019 10:44 CEST | Original file | - |
| article pdf uploaded. | 3 June 2019 10:43 CEST | Updated version of record | https://www.mdpi.com/2220-9964/8/6/256/pdf |
| article xml uploaded. | 3 June 2019 10:43 CEST | Update | https://www.mdpi.com/2220-9964/8/6/256/xml |
| article xml file uploaded | 3 June 2019 10:42 CEST | Update | - |
| article pdf uploaded. | 30 May 2019 15:50 CEST | Version of Record | https://www.mdpi.com/2220-9964/8/6/256/pdf-vor |
| article xml file uploaded | 30 May 2019 15:50 CEST | Original file | - |
