| article html file updated | 24 December 2025 19:16 CET | Update | https://www.mdpi.com/2223-7747/9/6/735 |
| article html file updated | 31 August 2025 23:20 CEST | Update | N/A |
| article html file updated | 21 July 2022 20:35 CEST | Update | N/A |
| article html file updated | 18 June 2020 17:34 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2020 17:32 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/735/pdf |
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| article pdf uploaded. | 12 June 2020 12:25 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/735/pdf-vor |
| article pdf uploaded. | 11 June 2020 13:45 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/735/pdf-vor |
