| article html file updated | 31 August 2025 02:51 CEST | Update | https://www.mdpi.com/2306-5338/6/4/87 |
| article html file updated | 20 July 2022 01:42 CEST | Update | - |
| article html file updated | 14 February 2020 00:35 CET | Update | - |
| article html file updated | 31 December 2019 18:20 CET | Update | - |
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| article pdf uploaded. | 16 October 2019 12:13 CEST | Updated version of record | https://www.mdpi.com/2306-5338/6/4/87/pdf |
| article xml uploaded. | 16 October 2019 12:13 CEST | Update | https://www.mdpi.com/2306-5338/6/4/87/xml |
| article xml file uploaded | 16 October 2019 12:13 CEST | Update | - |
| article html file updated | 14 October 2019 09:35 CEST | Original file | - |
| article pdf uploaded. | 14 October 2019 09:34 CEST | Version of Record | https://www.mdpi.com/2306-5338/6/4/87/pdf-vor |
| article xml uploaded. | 14 October 2019 09:34 CEST | Update | - |
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