| article html file updated | 31 August 2025 07:27 CEST | Update | https://www.mdpi.com/1422-0067/21/1/157 |
| article html file updated | 19 July 2022 20:51 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:36 CET | Update | N/A |
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| article html file updated | 25 December 2019 09:17 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2019 09:15 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/157/pdf |
| article xml uploaded. | 25 December 2019 09:15 CET | Update | https://www.mdpi.com/1422-0067/21/1/157/xml |
| article xml file uploaded | 25 December 2019 09:15 CET | Original file | N/A |
