| article html file updated | 31 August 2025 22:23 CEST | Update | https://www.mdpi.com/2227-9067/7/6/55 |
| article html file updated | 21 July 2022 06:47 CEST | Update | - |
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| article html file updated | 28 June 2020 11:23 CEST | Update | - |
| article pdf uploaded. | 28 June 2020 11:21 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/55/pdf |
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| article pdf uploaded. | 21 June 2020 13:49 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/55/pdf-vor |
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