| article html file updated | 13 February 2020 07:03 CET | Update | https://www.mdpi.com/2076-3921/8/8/270 |
| article html file updated | 2 August 2019 19:37 CEST | Original file | N/A |
| article pdf uploaded. | 2 August 2019 12:24 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/8/270/pdf |
| article xml uploaded. | 2 August 2019 12:24 CEST | Update | https://www.mdpi.com/2076-3921/8/8/270/xml |
| article xml file uploaded | 2 August 2019 12:24 CEST | Original file | N/A |
