| article html file updated | 9 February 2020 11:37 CET | Update | https://www.mdpi.com/1996-1944/11/4/517 |
| article html file updated | 2 October 2019 01:29 CEST | Update | - |
| article html file updated | 1 May 2019 07:56 CEST | Update | - |
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| article html file updated | 2 May 2018 13:53 CEST | Update | - |
| article html file updated | 28 March 2018 16:03 CEST | Original file | - |
| article xml uploaded. | 28 March 2018 16:02 CEST | Original file | https://www.mdpi.com/1996-1944/11/4/517/xml |
| article pdf uploaded. | 28 March 2018 16:02 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/517/pdf |
