| article html file updated | 31 August 2025 08:04 CEST | Update | https://www.mdpi.com/2227-7390/8/1/67 |
| article html file updated | 19 July 2022 20:14 CEST | Update | - |
| article html file updated | 14 February 2020 23:42 CET | Update | - |
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| article pdf uploaded. | 2 January 2020 11:42 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/67/pdf |
| article xml uploaded. | 2 January 2020 11:42 CET | Update | https://www.mdpi.com/2227-7390/8/1/67/xml |
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