| article html file updated | 15 August 2026 22:14 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1504 |
| article html file updated | 12 February 2020 06:47 CET | Update | N/A |
| article html file updated | 18 October 2019 17:55 CEST | Update | N/A |
| article html file updated | 9 May 2019 14:48 CEST | Update | N/A |
| article html file updated | 25 April 2019 12:32 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2019 12:30 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/8/1504/pdf |
| article xml uploaded. | 25 April 2019 12:30 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1504/xml |
| article xml file uploaded | 25 April 2019 12:30 CEST | Update | N/A |
| article pdf uploaded. | 20 April 2019 13:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/8/1504/pdf-vor |
| article xml file uploaded | 20 April 2019 13:59 CEST | Original file | N/A |
