| article html file updated | 31 August 2025 15:02 CEST | Update | https://www.mdpi.com/2218-1997/6/3/47 |
| article html file updated | 20 July 2022 23:32 CEST | Update | - |
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| article pdf uploaded. | 27 March 2020 08:26 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/3/47/pdf |
| article xml uploaded. | 27 March 2020 08:26 CET | Update | https://www.mdpi.com/2218-1997/6/3/47/xml |
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| article pdf uploaded. | 20 March 2020 15:11 CET | Version of Record | https://www.mdpi.com/2218-1997/6/3/47/pdf-vor |
| article xml file uploaded | 20 March 2020 15:11 CET | Original file | - |
