| article html file updated | 8 February 2020 23:02 CET | Update | https://www.mdpi.com/2071-1050/9/12/2236 |
| article html file updated | 28 September 2019 23:16 CEST | Update | - |
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| article html file updated | 18 April 2019 08:28 CEST | Update | - |
| article html file updated | 2 January 2018 18:02 CET | Update | - |
| article html file updated | 4 December 2017 11:43 CET | Original file | - |
| article xml uploaded. | 4 December 2017 11:42 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2236/xml |
| article pdf uploaded. | 4 December 2017 11:42 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2236/pdf |
