| article html file updated | 7 February 2020 18:51 CET | Update | https://www.mdpi.com/2071-1050/8/12/1247 |
| article html file updated | 22 September 2019 07:57 CEST | Update | - |
| article html file updated | 4 May 2019 20:50 CEST | Update | - |
| article html file updated | 28 December 2016 08:11 CET | Update | - |
| article html file updated | 30 November 2016 22:19 CET | Original file | - |
| article xml uploaded. | 30 November 2016 16:03 CET | Update | https://www.mdpi.com/2071-1050/8/12/1247/xml |
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| article pdf uploaded. | 30 November 2016 16:03 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1247/pdf |
