| article html file updated | 31 August 2025 12:34 CEST | Update | https://www.mdpi.com/2304-8158/9/2/244 |
| article html file updated | 20 July 2022 21:04 CEST | Update | - |
| article html file updated | 7 March 2020 16:34 CET | Update | - |
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| article pdf uploaded. | 24 February 2020 13:11 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/244/pdf |
| article xml uploaded. | 24 February 2020 13:11 CET | Update | https://www.mdpi.com/2304-8158/9/2/244/xml |
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