| article html file updated | 30 August 2025 21:37 CEST | Update | https://www.mdpi.com/2304-8158/8/6/226 |
| article html file updated | 20 July 2022 15:01 CEST | Update | - |
| article html file updated | 12 February 2020 22:00 CET | Update | - |
| article html file updated | 5 July 2019 16:39 CEST | Update | - |
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| article pdf uploaded. | 25 June 2019 14:45 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/6/226/pdf |
| article xml uploaded. | 25 June 2019 14:45 CEST | Update | https://www.mdpi.com/2304-8158/8/6/226/xml |
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