| article html file updated | 30 August 2025 01:12 CEST | Update | https://www.mdpi.com/1999-4907/8/9/347 |
| article html file updated | 16 July 2022 06:22 CEST | Update | - |
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| article xml uploaded. | 19 September 2017 07:28 CEST | Update | https://www.mdpi.com/1999-4907/8/9/347/xml |
| article pdf uploaded. | 19 September 2017 07:28 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/9/347/pdf |
| article html file updated | 15 September 2017 14:25 CEST | Original file | - |
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| article pdf uploaded. | 15 September 2017 14:24 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/347/pdf-vor |
