| article html file updated | 31 August 2025 19:09 CEST | Update | https://www.mdpi.com/2227-9032/8/2/121 |
| article html file updated | 21 July 2022 03:36 CEST | Update | N/A |
| article html file updated | 20 May 2020 03:41 CEST | Original file | N/A |
| article pdf uploaded. | 20 May 2020 03:40 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/121/pdf |
| article xml uploaded. | 20 May 2020 03:40 CEST | Update | https://www.mdpi.com/2227-9032/8/2/121/xml |
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| article pdf uploaded. | 1 May 2020 10:36 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/2/121/pdf-vor |
| article xml file uploaded | 1 May 2020 10:36 CEST | Original file | N/A |
