| article html file updated | 30 August 2025 07:50 CEST | Update | https://www.mdpi.com/1996-1944/11/10/1991 |
| article html file updated | 17 July 2022 05:00 CEST | Update | - |
| article html file updated | 10 February 2020 16:02 CET | Update | - |
| article html file updated | 9 October 2019 02:46 CEST | Update | - |
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| article html file updated | 29 October 2018 11:35 CET | Update | - |
| article html file updated | 16 October 2018 05:46 CEST | Original file | - |
| article supplementary file uploaded. | 16 October 2018 05:46 CEST | - | https://www.mdpi.com/1996-1944/11/10/1991#supplementary |
| article pdf uploaded. | 16 October 2018 05:46 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/10/1991/pdf |
| article xml uploaded. | 16 October 2018 05:46 CEST | Update | https://www.mdpi.com/1996-1944/11/10/1991/xml |
| article xml file uploaded | 16 October 2018 05:45 CEST | Original file | - |
