| article html file updated | 1 September 2025 07:48 CEST | Update | https://www.mdpi.com/2227-7390/8/9/1520 |
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| article pdf uploaded. | 7 September 2020 06:24 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/9/1520/pdf |
| article xml uploaded. | 7 September 2020 06:24 CEST | Update | https://www.mdpi.com/2227-7390/8/9/1520/xml |
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| article pdf uploaded. | 7 September 2020 06:24 CEST | Updated version of record | N/A |
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