| article html file updated | 31 August 2025 03:48 CEST | Update | https://www.mdpi.com/2071-1050/11/21/6050 |
| article html file updated | 20 July 2022 00:35 CEST | Update | - |
| article html file updated | 14 February 2020 05:29 CET | Update | - |
| article html file updated | 15 November 2019 17:49 CET | Update | - |
| article html file updated | 31 October 2019 09:37 CET | Original file | - |
| article pdf uploaded. | 31 October 2019 09:35 CET | Version of Record | https://www.mdpi.com/2071-1050/11/21/6050/pdf |
| article xml uploaded. | 31 October 2019 09:35 CET | Update | https://www.mdpi.com/2071-1050/11/21/6050/xml |
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