| article html file updated | 13 February 2020 13:43 CET | Update | https://www.mdpi.com/2226-4310/6/9/93 |
| article html file updated | 27 September 2019 14:30 CEST | Update | - |
| article html file updated | 30 August 2019 09:03 CEST | Original file | - |
| article pdf uploaded. | 30 August 2019 09:01 CEST | Version of Record | https://www.mdpi.com/2226-4310/6/9/93/pdf |
| article xml uploaded. | 30 August 2019 09:01 CEST | Update | https://www.mdpi.com/2226-4310/6/9/93/xml |
| article xml file uploaded | 30 August 2019 09:01 CEST | Original file | - |
