| article html file updated | 12 February 2020 17:19 CET | Update | https://www.mdpi.com/2504-477X/3/2/57 |
| article html file updated | 21 October 2019 06:23 CEST | Update | N/A |
| article html file updated | 3 June 2019 13:19 CEST | Original file | N/A |
| article pdf uploaded. | 3 June 2019 13:17 CEST | Version of Record | https://www.mdpi.com/2504-477X/3/2/57/pdf |
| article xml uploaded. | 3 June 2019 13:17 CEST | Update | https://www.mdpi.com/2504-477X/3/2/57/xml |
| article xml file uploaded | 3 June 2019 13:17 CEST | Original file | N/A |
