| article html file updated | 31 August 2025 11:35 CEST | Update | https://www.mdpi.com/2227-7390/8/2/241 |
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| article html file updated | 6 March 2020 07:35 CET | Update | - |
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| article pdf uploaded. | 26 February 2020 15:25 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/241/pdf |
| article xml uploaded. | 26 February 2020 15:25 CET | Update | https://www.mdpi.com/2227-7390/8/2/241/xml |
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| article pdf uploaded. | 13 February 2020 16:16 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/241/pdf-vor |
| article xml file uploaded | 13 February 2020 16:16 CET | Original file | - |
