| article html file updated | 18 August 2026 00:17 CEST | Update | https://www.mdpi.com/2227-9717/8/9/1081 |
| article html file updated | 24 December 2025 21:06 CET | Update | N/A |
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| article pdf uploaded. | 2 September 2020 11:46 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/9/1081/pdf |
| article xml uploaded. | 2 September 2020 11:46 CEST | Update | https://www.mdpi.com/2227-9717/8/9/1081/xml |
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