| article html file updated | 12 February 2020 10:05 CET | Update | https://www.mdpi.com/2504-4494/3/2/38 |
| article html file updated | 19 October 2019 14:11 CEST | Update | N/A |
| article html file updated | 6 May 2019 10:22 CEST | Original file | N/A |
| article pdf uploaded. | 6 May 2019 10:21 CEST | Version of Record | https://www.mdpi.com/2504-4494/3/2/38/pdf |
| article xml uploaded. | 6 May 2019 10:20 CEST | Update | https://www.mdpi.com/2504-4494/3/2/38/xml |
| article xml file uploaded | 6 May 2019 10:20 CEST | Original file | N/A |
