| article html file updated | 31 August 2025 06:59 CEST | Update | https://www.mdpi.com/1422-0067/21/1/34 |
| article html file updated | 19 July 2022 21:17 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:06 CET | Update | N/A |
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| article html file updated | 19 December 2019 12:43 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2019 12:41 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/34/pdf |
| article xml uploaded. | 19 December 2019 12:41 CET | Update | https://www.mdpi.com/1422-0067/21/1/34/xml |
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