| article html file updated | 31 August 2025 12:25 CEST | Update | https://www.mdpi.com/2304-8158/9/2/235 |
| article html file updated | 20 July 2022 20:56 CEST | Update | - |
| article html file updated | 7 March 2020 15:25 CET | Update | - |
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| article pdf uploaded. | 22 February 2020 06:50 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/235/pdf |
| article xml uploaded. | 22 February 2020 06:50 CET | Update | https://www.mdpi.com/2304-8158/9/2/235/xml |
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