| article html file updated | 31 August 2025 11:25 CEST | Update | https://www.mdpi.com/1422-0067/21/4/1221 |
| article html file updated | 20 July 2022 19:56 CEST | Update | N/A |
| article html file updated | 7 March 2020 16:29 CET | Update | N/A |
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| article html file updated | 21 February 2020 01:24 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2020 13:46 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/4/1221/pdf |
| article xml uploaded. | 20 February 2020 13:46 CET | Update | https://www.mdpi.com/1422-0067/21/4/1221/xml |
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| article pdf uploaded. | 12 February 2020 10:26 CET | Version of Record | https://www.mdpi.com/1422-0067/21/4/1221/pdf-vor |
| article xml file uploaded | 12 February 2020 10:26 CET | Original file | N/A |
