| article html file updated | 9 February 2020 00:10 CET | Update | https://www.mdpi.com/2071-1050/9/12/2337 |
| article html file updated | 29 September 2019 05:46 CEST | Update | - |
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| article html file updated | 18 April 2019 06:09 CEST | Update | - |
| article html file updated | 2 January 2018 19:13 CET | Update | - |
| article html file updated | 15 December 2017 07:58 CET | Original file | - |
| article xml uploaded. | 15 December 2017 07:56 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2337/xml |
| article pdf uploaded. | 15 December 2017 07:56 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2337/pdf |
