| article html file updated | 18 August 2026 14:40 CEST | Update | https://www.mdpi.com/1422-0067/22/1/50 |
| article html file updated | 25 December 2025 00:54 CET | Update | N/A |
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| article pdf uploaded. | 23 December 2020 09:23 CET | Updated version of record | https://www.mdpi.com/1422-0067/22/1/50/pdf |
| article xml uploaded. | 23 December 2020 09:23 CET | Update | https://www.mdpi.com/1422-0067/22/1/50/xml |
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| article html file updated | 23 December 2020 07:54 CET | Original file | N/A |
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