| article html file updated | 31 August 2025 06:58 CEST | Update | https://www.mdpi.com/1422-0067/21/1/30 |
| article html file updated | 19 July 2022 21:19 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:02 CET | Update | N/A |
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| article html file updated | 19 December 2019 11:40 CET | Original file | N/A |
| article supplementary file uploaded. | 19 December 2019 11:38 CET | - | https://www.mdpi.com/1422-0067/21/1/30#supplementary |
| article pdf uploaded. | 19 December 2019 11:38 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/30/pdf |
| article xml uploaded. | 19 December 2019 11:38 CET | Update | https://www.mdpi.com/1422-0067/21/1/30/xml |
| article xml file uploaded | 19 December 2019 11:38 CET | Original file | N/A |
