| article html file updated | 16 August 2026 03:46 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2508 |
| article html file updated | 12 February 2020 22:56 CET | Update | N/A |
| article html file updated | 18 July 2019 05:19 CEST | Update | N/A |
| article html file updated | 2 July 2019 07:38 CEST | Original file | N/A |
| article pdf uploaded. | 2 July 2019 07:37 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/13/2508/pdf |
| article xml uploaded. | 2 July 2019 07:37 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2508/xml |
| article xml file uploaded | 2 July 2019 07:36 CEST | Update | N/A |
| article pdf uploaded. | 28 June 2019 16:24 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/13/2508/pdf-vor |
| article xml file uploaded | 28 June 2019 16:24 CEST | Original file | N/A |