| article html file updated | 31 August 2025 20:07 CEST | Update | https://www.mdpi.com/2309-608X/6/2/61 |
| article html file updated | 21 July 2022 04:33 CEST | Update | - |
| article html file updated | 17 June 2020 10:05 CEST | Original file | - |
| article pdf uploaded. | 17 June 2020 10:03 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/61/pdf |
| article xml uploaded. | 17 June 2020 10:03 CEST | Update | https://www.mdpi.com/2309-608X/6/2/61/xml |
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| article pdf uploaded. | 13 May 2020 10:03 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/61/pdf-vor |
| article pdf uploaded. | 12 May 2020 11:24 CEST | Version of Record | https://www.mdpi.com/2309-608X/6/2/61/pdf-vor |
| article xml file uploaded | 12 May 2020 11:24 CEST | Original file | - |
