| article html file updated | 15 August 2026 23:52 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1808 |
| article html file updated | 12 February 2020 11:50 CET | Update | N/A |
| article html file updated | 20 October 2019 00:02 CEST | Update | N/A |
| article html file updated | 24 May 2019 12:46 CEST | Update | N/A |
| article html file updated | 13 May 2019 12:19 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2019 12:17 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/9/1808/pdf |
| article xml uploaded. | 13 May 2019 12:17 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1808/xml |
| article xml file uploaded | 13 May 2019 12:17 CEST | Update | N/A |
| article pdf uploaded. | 12 May 2019 12:50 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1808/pdf-vor |
| article xml file uploaded | 12 May 2019 12:50 CEST | Original file | N/A |
