| article html file updated | 31 August 2025 12:10 CEST | Update | https://www.mdpi.com/2076-3921/9/2/171 |
| article html file updated | 20 July 2022 20:41 CEST | Update | - |
| article html file updated | 6 March 2020 06:04 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 12:08 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/2/171/pdf |
| article xml uploaded. | 1 March 2020 12:08 CET | Update | https://www.mdpi.com/2076-3921/9/2/171/xml |
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| article pdf uploaded. | 19 February 2020 16:09 CET | Version of Record | https://www.mdpi.com/2076-3921/9/2/171/pdf-vor |
| article xml file uploaded | 19 February 2020 16:09 CET | Original file | - |
