| article html file updated | 31 August 2025 22:27 CEST | Update | https://www.mdpi.com/2304-8158/9/6/726 |
| article html file updated | 21 July 2022 06:51 CEST | Update | - |
| article html file updated | 10 October 2020 04:12 CEST | Update | - |
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| article pdf uploaded. | 24 June 2020 11:47 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/726/pdf |
| article xml uploaded. | 24 June 2020 11:47 CEST | Update | https://www.mdpi.com/2304-8158/9/6/726/xml |
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| article pdf uploaded. | 2 June 2020 17:11 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/726/pdf-vor |
