| article html file updated | 30 August 2025 01:13 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2139 |
| article html file updated | 16 July 2022 06:24 CEST | Update | N/A |
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| article xml uploaded. | 21 September 2017 05:44 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2139/xml |
| article pdf uploaded. | 21 September 2017 05:44 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2139/pdf |
| article html file updated | 18 September 2017 14:35 CEST | Original file | N/A |
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| article pdf uploaded. | 18 September 2017 14:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2139/pdf-vor |
