| article html file updated | 8 February 2020 07:35 CET | Update | https://www.mdpi.com/2071-1050/9/6/962 |
| article html file updated | 25 September 2019 04:47 CEST | Update | - |
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| article html file updated | 28 June 2017 14:40 CEST | Update | - |
| article html file updated | 6 June 2017 13:28 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 13:27 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/962/xml |
| article pdf uploaded. | 6 June 2017 13:27 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/962/pdf |
