| article html file updated | 30 August 2025 08:22 CEST | Update | https://www.mdpi.com/2073-431X/7/4/57 |
| article html file updated | 17 July 2022 06:59 CEST | Update | - |
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| article html file updated | 26 December 2018 05:00 CET | Update | - |
| article html file updated | 14 November 2018 09:53 CET | Original file | - |
| article pdf uploaded. | 14 November 2018 09:52 CET | Updated version of record | https://www.mdpi.com/2073-431X/7/4/57/pdf |
| article xml uploaded. | 14 November 2018 09:52 CET | Update | https://www.mdpi.com/2073-431X/7/4/57/xml |
| article xml file uploaded | 14 November 2018 09:52 CET | Update | - |
| article pdf uploaded. | 31 October 2018 16:36 CET | Updated version of record | https://www.mdpi.com/2073-431X/7/4/57/pdf-vor |
| article pdf uploaded. | 31 October 2018 16:27 CET | Version of Record | https://www.mdpi.com/2073-431X/7/4/57/pdf-vor |
| article xml file uploaded | 31 October 2018 16:27 CET | Original file | - |
