| article html file updated | 8 February 2020 21:32 CET | Update | https://www.mdpi.com/2071-1050/9/11/2033 |
| article html file updated | 28 September 2019 13:47 CEST | Update | - |
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| article html file updated | 18 April 2019 11:53 CEST | Update | - |
| article html file updated | 30 November 2017 12:44 CET | Update | - |
| article html file updated | 18 November 2017 07:06 CET | Original file | - |
| article xml uploaded. | 18 November 2017 07:05 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2033/xml |
| article pdf uploaded. | 18 November 2017 07:05 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2033/pdf |
