| article html file updated | 12 February 2020 11:11 CET | Update | https://www.mdpi.com/2075-4418/9/2/52 |
| article html file updated | 19 October 2019 20:25 CEST | Update | N/A |
| article html file updated | 5 July 2019 14:57 CEST | Update | N/A |
| article html file updated | 5 July 2019 09:03 CEST | Update | N/A |
| article html file updated | 30 May 2019 12:13 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 12:12 CEST | Updated version of record | https://www.mdpi.com/2075-4418/9/2/52/pdf |
| article xml uploaded. | 30 May 2019 12:12 CEST | Update | https://www.mdpi.com/2075-4418/9/2/52/xml |
| article xml file uploaded | 30 May 2019 12:12 CEST | Update | N/A |
| article pdf uploaded. | 9 May 2019 16:41 CEST | Version of Record | https://www.mdpi.com/2075-4418/9/2/52/pdf-vor |
| article xml file uploaded | 9 May 2019 16:41 CEST | Original file | N/A |
