| article html file updated | 30 August 2025 06:05 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2121 |
| article html file updated | 17 July 2022 00:58 CEST | Update | N/A |
| article html file updated | 10 February 2020 05:58 CET | Update | N/A |
| article html file updated | 29 April 2019 16:37 CEST | Update | N/A |
| article html file updated | 15 April 2019 11:58 CEST | Update | N/A |
| article html file updated | 31 March 2019 08:19 CEST | Update | N/A |
| article html file updated | 28 August 2018 04:23 CEST | Update | N/A |
| article html file updated | 15 August 2018 05:36 CEST | Original file | N/A |
| article pdf uploaded. | 15 August 2018 05:35 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/2121/pdf |
| article xml uploaded. | 15 August 2018 05:35 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2121/xml |
| article xml file uploaded | 15 August 2018 05:35 CEST | Update | N/A |
| article pdf uploaded. | 14 August 2018 16:02 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/2121/pdf-vor |
| article pdf uploaded. | 14 August 2018 15:58 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/2121/pdf-vor |
| article xml file uploaded | 14 August 2018 15:58 CEST | Original file | N/A |
