| article html file updated | 24 December 2025 16:54 CET | Update | https://www.mdpi.com/1422-0067/21/1/209 |
| article html file updated | 31 August 2025 07:37 CEST | Update | N/A |
| article html file updated | 19 July 2022 20:41 CEST | Update | N/A |
| article html file updated | 14 February 2020 22:11 CET | Update | N/A |
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| article html file updated | 30 December 2019 06:13 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2019 06:12 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/209/pdf |
| article xml uploaded. | 30 December 2019 06:12 CET | Update | https://www.mdpi.com/1422-0067/21/1/209/xml |
| article xml file uploaded | 30 December 2019 06:12 CET | Update | N/A |
| article pdf uploaded. | 27 December 2019 15:17 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/209/pdf-vor |
| article xml file uploaded | 27 December 2019 15:17 CET | Original file | N/A |
