| article html file updated | 30 August 2025 04:24 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1504 |
| article html file updated | 16 July 2022 21:21 CEST | Update | - |
| article html file updated | 9 February 2020 20:50 CET | Update | - |
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| article html file updated | 27 June 2018 17:22 CEST | Update | - |
| article html file updated | 12 June 2018 10:42 CEST | Update | - |
| article xml uploaded. | 12 June 2018 10:41 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1504/xml |
| article pdf uploaded. | 12 June 2018 10:41 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/6/1504/pdf |
| article html file updated | 11 June 2018 07:41 CEST | Update | - |
| article pdf uploaded. | 11 June 2018 07:40 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/6/1504/pdf-vor |
| article xml file uploaded | 11 June 2018 07:40 CEST | Update | - |
| article html file updated | 9 June 2018 10:35 CEST | Original file | - |
| article pdf uploaded. | 9 June 2018 10:33 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/6/1504/pdf-vor |
| article xml file uploaded | 9 June 2018 10:33 CEST | Update | - |
| article pdf uploaded. | 8 June 2018 16:00 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/6/1504/pdf-vor |
| article xml file uploaded | 8 June 2018 15:58 CEST | Original file | - |
| article pdf uploaded. | 8 June 2018 15:58 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1504/pdf-vor |
