| article html file updated | 31 August 2025 08:59 CEST | Update | https://www.mdpi.com/1422-0067/21/2/531 |
| article html file updated | 20 July 2022 17:30 CEST | Update | - |
| article html file updated | 15 February 2020 02:52 CET | Update | - |
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| article html file updated | 14 January 2020 16:09 CET | Update | - |
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| article pdf uploaded. | 14 January 2020 16:07 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/2/531/pdf |
| article xml uploaded. | 14 January 2020 16:07 CET | Update | https://www.mdpi.com/1422-0067/21/2/531/xml |
| article xml file uploaded | 14 January 2020 16:07 CET | Update | - |
| article supplementary file uploaded. | 14 January 2020 16:07 CET | - | https://www.mdpi.com/1422-0067/21/2/531#supplementary |
| article pdf uploaded. | 14 January 2020 16:07 CET | Version of Record | - |
| article xml uploaded. | 14 January 2020 16:07 CET | Update | - |
| article xml file uploaded | 14 January 2020 16:07 CET | Original file | - |
