| article html file updated | 31 August 2025 19:20 CEST | Update | https://www.mdpi.com/2227-9040/8/2/31 |
| article html file updated | 21 July 2022 03:46 CEST | Update | - |
| article html file updated | 7 July 2020 09:50 CEST | Update | - |
| article html file updated | 17 June 2020 11:38 CEST | Original file | - |
| article pdf uploaded. | 17 June 2020 11:36 CEST | Updated version of record | https://www.mdpi.com/2227-9040/8/2/31/pdf |
| article xml uploaded. | 17 June 2020 11:36 CEST | Update | https://www.mdpi.com/2227-9040/8/2/31/xml |
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| article supplementary file uploaded. | 3 May 2020 06:16 CEST | - | https://www.mdpi.com/2227-9040/8/2/31#supplementary |
| article pdf uploaded. | 3 May 2020 06:16 CEST | Version of Record | https://www.mdpi.com/2227-9040/8/2/31/pdf-vor |
| article xml file uploaded | 3 May 2020 06:16 CEST | Original file | - |
