| article html file updated | 31 August 2025 14:39 CEST | Update | https://www.mdpi.com/1422-0067/21/6/2049 |
| article html file updated | 20 July 2022 23:09 CEST | Update | - |
| article html file updated | 2 April 2020 02:41 CEST | Update | - |
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| article xml uploaded. | 17 March 2020 11:10 CET | Update | https://www.mdpi.com/1422-0067/21/6/2049/xml |
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