| article html file updated | 31 August 2025 11:56 CEST | Update | https://www.mdpi.com/2223-7747/9/2/257 |
| article html file updated | 20 July 2022 20:27 CEST | Update | - |
| article html file updated | 6 March 2020 09:33 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 06:36 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/257/pdf |
| article xml uploaded. | 1 March 2020 06:36 CET | Update | https://www.mdpi.com/2223-7747/9/2/257/xml |
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| article supplementary file uploaded. | 17 February 2020 15:11 CET | - | https://www.mdpi.com/2223-7747/9/2/257#supplementary |
| article pdf uploaded. | 17 February 2020 15:11 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/257/pdf-vor |
| article xml file uploaded | 17 February 2020 15:11 CET | Original file | - |
