| article html file updated | 2 September 2025 00:25 CEST | Update | https://www.mdpi.com/1424-8220/21/6/2013 |
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| article pdf uploaded. | 17 March 2021 11:09 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/2013/pdf |
| article xml uploaded. | 17 March 2021 11:09 CET | Update | https://www.mdpi.com/1424-8220/21/6/2013/xml |
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| article pdf uploaded. | 15 March 2021 08:59 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/2013/pdf-vor |
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| article pdf uploaded. | 12 March 2021 13:39 CET | Version of Record | https://www.mdpi.com/1424-8220/21/6/2013/pdf-vor |
