| article html file updated | 17 August 2026 07:58 CEST | Update | https://www.mdpi.com/2227-7390/8/4/535 |
| article html file updated | 31 August 2025 16:31 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:00 CEST | Update | N/A |
| article html file updated | 16 April 2020 11:34 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2020 11:33 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/535/pdf |
| article xml uploaded. | 16 April 2020 11:33 CEST | Update | https://www.mdpi.com/2227-7390/8/4/535/xml |
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| article pdf uploaded. | 4 April 2020 16:44 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/535/pdf-vor |
| article xml file uploaded | 4 April 2020 16:44 CEST | Original file | N/A |
