| article html file updated | 31 August 2025 21:37 CEST | Update | https://www.mdpi.com/2304-8158/9/6/688 |
| article html file updated | 21 July 2022 06:01 CEST | Update | - |
| article html file updated | 10 June 2020 06:43 CEST | Original file | - |
| article pdf uploaded. | 10 June 2020 06:41 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/688/pdf |
| article xml uploaded. | 10 June 2020 06:41 CEST | Update | https://www.mdpi.com/2304-8158/9/6/688/xml |
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| article pdf uploaded. | 26 May 2020 12:03 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/688/pdf-vor |
| article xml file uploaded | 26 May 2020 12:03 CEST | Original file | - |
