| article html file updated | 30 August 2025 04:39 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1972 |
| article html file updated | 16 July 2022 21:51 CEST | Update | - |
| article html file updated | 9 February 2020 22:04 CET | Update | - |
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| article html file updated | 30 March 2019 12:18 CET | Update | - |
| article html file updated | 21 June 2018 12:12 CEST | Original file | - |
| article pdf uploaded. | 21 June 2018 12:11 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/6/1972/pdf |
| article xml uploaded. | 21 June 2018 12:11 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1972/xml |
| article xml file uploaded | 21 June 2018 12:11 CEST | Update | - |
| article pdf uploaded. | 19 June 2018 16:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/18/6/1972/pdf-vor |
| article pdf uploaded. | 19 June 2018 16:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1972/pdf-vor |
| article xml file uploaded | 19 June 2018 16:48 CEST | Original file | - |
