| article html file updated | 30 August 2025 04:07 CEST | Update | https://www.mdpi.com/1999-4907/9/6/297 |
| article html file updated | 16 July 2022 20:44 CEST | Update | - |
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| article html file updated | 26 June 2018 05:32 CEST | Update | - |
| article html file updated | 29 May 2018 12:47 CEST | Update | - |
| article xml uploaded. | 29 May 2018 12:46 CEST | Update | https://www.mdpi.com/1999-4907/9/6/297/xml |
| article pdf uploaded. | 29 May 2018 12:46 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/6/297/pdf |
| article html file updated | 29 May 2018 10:57 CEST | Update | - |
| article pdf uploaded. | 29 May 2018 10:56 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/6/297/pdf-vor |
| article html file updated | 28 May 2018 17:48 CEST | Update | - |
| article pdf uploaded. | 28 May 2018 17:47 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/6/297/pdf-vor |
| article html file updated | 25 May 2018 16:19 CEST | Original file | - |
| article supplementary file uploaded. | 25 May 2018 16:17 CEST | - | https://www.mdpi.com/1999-4907/9/6/297#supplementary |
| article pdf uploaded. | 25 May 2018 16:17 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/6/297/pdf-vor |
| article xml file uploaded | 25 May 2018 16:17 CEST | Original file | - |
