| article html file updated | 31 August 2025 08:28 CEST | Update | https://www.mdpi.com/1422-0067/21/2/391 |
| article html file updated | 19 July 2022 19:52 CEST | Update | - |
| article html file updated | 15 February 2020 01:03 CET | Update | - |
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| article html file updated | 8 January 2020 11:56 CET | Original file | - |
| article pdf uploaded. | 8 January 2020 11:54 CET | Version of Record | https://www.mdpi.com/1422-0067/21/2/391/pdf |
| article xml uploaded. | 8 January 2020 11:54 CET | Update | https://www.mdpi.com/1422-0067/21/2/391/xml |
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