| article html file updated | 1 September 2025 14:53 CEST | Update | https://www.mdpi.com/2227-9032/8/4/522 |
| article html file updated | 23 July 2022 03:18 CEST | Update | N/A |
| article html file updated | 2 December 2020 07:09 CET | Update | N/A |
| article pdf uploaded. | 2 December 2020 07:07 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/522/pdf |
| article xml uploaded. | 2 December 2020 07:07 CET | Update | https://www.mdpi.com/2227-9032/8/4/522/xml |
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| article html file updated | 30 November 2020 15:58 CET | Original file | N/A |
| article pdf uploaded. | 30 November 2020 15:57 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/522/pdf-vor |
| article xml uploaded. | 30 November 2020 15:57 CET | Update | N/A |
| article xml file uploaded | 30 November 2020 15:57 CET | Original file | N/A |
