| article html file updated | 8 February 2020 23:36 CET | Update | https://www.mdpi.com/2071-1050/9/12/2284 |
| article html file updated | 29 September 2019 02:22 CEST | Update | - |
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| article html file updated | 18 April 2019 07:20 CEST | Update | - |
| article html file updated | 2 January 2018 18:40 CET | Update | - |
| article html file updated | 8 December 2017 17:25 CET | Original file | - |
| article xml uploaded. | 8 December 2017 17:24 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2284/xml |
| article pdf uploaded. | 8 December 2017 17:24 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2284/pdf |
