| article html file updated | 16 August 2026 22:56 CEST | Update | https://www.mdpi.com/1422-0067/21/1/324 |
| article html file updated | 31 August 2025 08:06 CEST | Update | N/A |
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| article html file updated | 14 February 2020 23:49 CET | Update | N/A |
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| article html file updated | 3 January 2020 08:13 CET | Original file | N/A |
| article pdf uploaded. | 3 January 2020 08:11 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/324/pdf |
| article xml uploaded. | 3 January 2020 08:11 CET | Update | https://www.mdpi.com/1422-0067/21/1/324/xml |
| article xml file uploaded | 3 January 2020 08:11 CET | Original file | N/A |
