| article html file updated | 31 August 2025 07:02 CEST | Update | https://www.mdpi.com/1996-1073/13/1/19 |
| article html file updated | 19 July 2022 21:14 CEST | Update | - |
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| article pdf uploaded. | 30 December 2019 06:55 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/19/pdf |
| article xml file uploaded | 30 December 2019 06:55 CET | Update | https://www.mdpi.com/1996-1073/13/1/19/xml |
| article pdf uploaded. | 30 December 2019 06:54 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/19/pdf-vor |
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| article xml file uploaded | 30 December 2019 06:54 CET | Update | - |
| article pdf uploaded. | 19 December 2019 17:22 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/19/pdf-vor |
| article xml file uploaded | 19 December 2019 17:22 CET | Original file | - |
