| article html file updated | 13 February 2020 20:40 CET | Update | https://www.mdpi.com/1996-1073/12/19/3689 |
| article html file updated | 15 October 2019 15:04 CEST | Update | N/A |
| article html file updated | 29 September 2019 09:15 CEST | Original file | N/A |
| article pdf uploaded. | 29 September 2019 09:14 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/19/3689/pdf |
| article xml uploaded. | 29 September 2019 09:14 CEST | Update | https://www.mdpi.com/1996-1073/12/19/3689/xml |
| article xml file uploaded | 29 September 2019 09:14 CEST | Update | N/A |
| article pdf uploaded. | 26 September 2019 17:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/19/3689/pdf-vor |
| article xml file uploaded | 26 September 2019 17:12 CEST | Original file | N/A |
