| article html file updated | 17 August 2026 02:53 CEST | Update | https://www.mdpi.com/1424-8220/20/4/1021 |
| article html file updated | 31 August 2025 11:39 CEST | Update | N/A |
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| article html file updated | 6 March 2020 10:33 CET | Update | N/A |
| article html file updated | 21 February 2020 01:12 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2020 13:06 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/4/1021/pdf |
| article xml uploaded. | 20 February 2020 13:06 CET | Update | https://www.mdpi.com/1424-8220/20/4/1021/xml |
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| article pdf uploaded. | 14 February 2020 10:43 CET | Version of Record | https://www.mdpi.com/1424-8220/20/4/1021/pdf-vor |
| article xml file uploaded | 14 February 2020 10:43 CET | Original file | N/A |
