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| article html file updated | 30 August 2025 04:15 CEST | Update | - |
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| article html file updated | 8 June 2018 11:47 CEST | Update | - |
| article xml uploaded. | 8 June 2018 11:46 CEST | Update | https://www.mdpi.com/1999-4907/9/6/318/xml |
| article pdf uploaded. | 8 June 2018 11:46 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/6/318/pdf |
| article html file updated | 2 June 2018 13:40 CEST | Original file | - |
| article supplementary file uploaded. | 2 June 2018 13:39 CEST | - | https://www.mdpi.com/1999-4907/9/6/318#supplementary |
| article pdf uploaded. | 2 June 2018 13:39 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/6/318/pdf-vor |
| article xml file uploaded | 2 June 2018 13:39 CEST | Original file | - |
