| article html file updated | 8 February 2020 07:22 CET | Update | https://www.mdpi.com/2071-1050/9/6/929 |
| article html file updated | 25 September 2019 03:37 CEST | Update | - |
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| article html file updated | 28 June 2017 14:36 CEST | Update | - |
| article pdf uploaded. | 8 June 2017 07:38 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/929/pdf |
| article html file updated | 2 June 2017 15:55 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 15:54 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/929/xml |
| article pdf uploaded. | 2 June 2017 15:54 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/929/pdf-vor |
