| article html file updated | 31 August 2025 03:59 CEST | Update | https://www.mdpi.com/2227-9059/7/4/87 |
| article html file updated | 20 July 2022 00:22 CEST | Update | - |
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| article supplementary file uploaded. | 23 November 2019 10:18 CET | - | https://www.mdpi.com/2227-9059/7/4/87#supplementary |
| article pdf uploaded. | 23 November 2019 10:18 CET | Updated version of record | https://www.mdpi.com/2227-9059/7/4/87/pdf |
| article xml uploaded. | 23 November 2019 10:18 CET | Update | https://www.mdpi.com/2227-9059/7/4/87/xml |
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| article pdf uploaded. | 3 November 2019 10:59 CET | Version of Record | https://www.mdpi.com/2227-9059/7/4/87/pdf-vor |
| article xml file uploaded | 3 November 2019 10:59 CET | Original file | - |