| article html file updated | 30 August 2025 11:04 CEST | Update | https://www.mdpi.com/1999-4907/10/1/67 |
| article html file updated | 17 July 2022 23:34 CEST | Update | - |
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| article html file updated | 22 January 2019 07:39 CET | Original file | - |
| article pdf uploaded. | 22 January 2019 07:37 CET | Updated version of record | https://www.mdpi.com/1999-4907/10/1/67/pdf |
| article xml uploaded. | 22 January 2019 07:37 CET | Update | https://www.mdpi.com/1999-4907/10/1/67/xml |
| article xml file uploaded | 22 January 2019 07:37 CET | Update | - |
| article pdf uploaded. | 15 January 2019 16:59 CET | Updated version of record | https://www.mdpi.com/1999-4907/10/1/67/pdf-vor |
| article pdf uploaded. | 15 January 2019 16:45 CET | Version of Record | https://www.mdpi.com/1999-4907/10/1/67/pdf-vor |
| article xml file uploaded | 15 January 2019 16:45 CET | Original file | - |