| article html file updated | 31 August 2025 20:09 CEST | Update | https://www.mdpi.com/2227-7080/8/2/23 |
| article html file updated | 21 July 2022 04:34 CEST | Update | N/A |
| article html file updated | 1 June 2020 06:17 CEST | Original file | N/A |
| article pdf uploaded. | 1 June 2020 06:16 CEST | Updated version of record | https://www.mdpi.com/2227-7080/8/2/23/pdf |
| article xml uploaded. | 1 June 2020 06:16 CEST | Update | https://www.mdpi.com/2227-7080/8/2/23/xml |
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| article pdf uploaded. | 12 May 2020 12:46 CEST | Version of Record | https://www.mdpi.com/2227-7080/8/2/23/pdf-vor |
| article xml file uploaded | 12 May 2020 12:46 CEST | Original file | N/A |
