| article html file updated | 31 August 2025 15:19 CEST | Update | https://www.mdpi.com/1422-0067/21/6/2239 |
| article html file updated | 20 July 2022 23:48 CEST | Update | - |
| article html file updated | 2 April 2020 04:53 CEST | Update | - |
| article html file updated | 24 March 2020 11:28 CET | Original file | - |
| article pdf uploaded. | 24 March 2020 11:27 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/2239/pdf |
| article xml uploaded. | 24 March 2020 11:27 CET | Update | https://www.mdpi.com/1422-0067/21/6/2239/xml |
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