| article html file updated | 7 February 2020 20:26 CET | Update | https://www.mdpi.com/1996-1944/10/1/16 |
| article html file updated | 22 September 2019 15:57 CEST | Update | - |
| article html file updated | 4 May 2019 17:32 CEST | Update | - |
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| article html file updated | 28 December 2016 11:14 CET | Original file | - |
| article xml uploaded. | 28 December 2016 11:13 CET | Update | https://www.mdpi.com/1996-1944/10/1/16/xml |
| article xml uploaded. | 28 December 2016 11:13 CET | Original file | - |
| article pdf uploaded. | 28 December 2016 11:13 CET | Version of Record | https://www.mdpi.com/1996-1944/10/1/16/pdf |
