| article html file updated | 31 August 2025 14:20 CEST | Update | https://www.mdpi.com/1422-0067/21/6/1960 |
| article html file updated | 20 July 2022 22:49 CEST | Update | - |
| article html file updated | 2 April 2020 01:55 CEST | Update | - |
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| article pdf uploaded. | 13 March 2020 11:28 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/1960/pdf |
| article xml uploaded. | 13 March 2020 11:28 CET | Update | https://www.mdpi.com/1422-0067/21/6/1960/xml |
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