| article html file updated | 7 February 2020 13:46 CET | Update | https://www.mdpi.com/1660-4601/13/9/837 |
| article html file updated | 21 September 2019 23:30 CEST | Update | - |
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| article html file updated | 26 September 2016 12:07 CEST | Update | - |
| article html file updated | 23 August 2016 14:18 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 14:17 CEST | Original file | https://www.mdpi.com/1660-4601/13/9/837/xml |
| article pdf uploaded. | 23 August 2016 14:17 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/9/837/pdf |
