| article html file updated | 31 August 2025 07:04 CEST | Update | https://www.mdpi.com/1422-0067/21/1/66 |
| article html file updated | 19 July 2022 21:13 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:23 CET | Update | N/A |
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| article html file updated | 20 December 2019 10:50 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2019 10:48 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/66/pdf |
| article xml uploaded. | 20 December 2019 10:48 CET | Update | https://www.mdpi.com/1422-0067/21/1/66/xml |
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