| article html file updated | 31 August 2025 17:36 CEST | Update | https://www.mdpi.com/2226-471X/5/2/15 |
| article html file updated | 21 July 2022 02:04 CEST | Update | - |
| article html file updated | 4 May 2020 16:26 CEST | Original file | - |
| article pdf uploaded. | 4 May 2020 16:25 CEST | Updated version of record | https://www.mdpi.com/2226-471X/5/2/15/pdf |
| article xml uploaded. | 4 May 2020 16:25 CEST | Update | https://www.mdpi.com/2226-471X/5/2/15/xml |
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| article pdf uploaded. | 16 April 2020 13:38 CEST | Updated version of record | https://www.mdpi.com/2226-471X/5/2/15/pdf-vor |
| article xml file uploaded | 16 April 2020 13:38 CEST | Update | - |
| article pdf uploaded. | 16 April 2020 13:38 CEST | Version of Record | https://www.mdpi.com/2226-471X/5/2/15/pdf-vor |
| article xml file uploaded | 16 April 2020 13:38 CEST | Original file | - |
