| article html file updated | 30 August 2025 10:17 CEST | Update | https://www.mdpi.com/1422-0067/20/1/57 |
| article html file updated | 17 July 2022 18:19 CEST | Update | - |
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| article html file updated | 24 December 2018 17:00 CET | Update | - |
| article xml uploaded. | 24 December 2018 16:59 CET | Update | https://www.mdpi.com/1422-0067/20/1/57/xml |
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| article pdf uploaded. | 24 December 2018 16:59 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/1/57/pdf |
| article html file updated | 23 December 2018 11:59 CET | Original file | - |
| article pdf uploaded. | 23 December 2018 11:57 CET | Version of Record | https://www.mdpi.com/1422-0067/20/1/57/pdf-vor |
| article xml uploaded. | 23 December 2018 11:57 CET | Update | - |
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