| article html file updated | 13 February 2020 04:17 CET | Update | https://www.mdpi.com/2076-3921/8/7/237 |
| article html file updated | 2 August 2019 09:19 CEST | Update | N/A |
| article html file updated | 23 July 2019 10:21 CEST | Original file | N/A |
| article pdf uploaded. | 23 July 2019 10:18 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/7/237/pdf |
| article xml uploaded. | 23 July 2019 10:18 CEST | Update | https://www.mdpi.com/2076-3921/8/7/237/xml |
| article xml file uploaded | 23 July 2019 10:18 CEST | Original file | N/A |
