| article html file updated | 30 August 2025 05:44 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2004 |
| article html file updated | 17 July 2022 00:11 CEST | Update | - |
| article html file updated | 10 February 2020 04:05 CET | Update | - |
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| article html file updated | 28 August 2018 03:53 CEST | Update | - |
| article html file updated | 2 August 2018 10:03 CEST | Original file | - |
| article pdf uploaded. | 2 August 2018 10:02 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/2004/pdf |
| article xml uploaded. | 2 August 2018 10:02 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2004/xml |
| article xml file uploaded | 2 August 2018 10:02 CEST | Update | - |
| article pdf uploaded. | 1 August 2018 15:09 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/8/2004/pdf-vor |
| article pdf uploaded. | 1 August 2018 15:06 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/2004/pdf-vor |
| article xml file uploaded | 1 August 2018 15:06 CEST | Original file | - |
