| article html file updated | 7 February 2020 09:05 CET | Update | https://www.mdpi.com/1996-1944/9/5/398 |
| article html file updated | 5 May 2019 15:05 CEST | Update | - |
| article html file updated | 27 March 2019 05:23 CET | Update | - |
| article html file updated | 27 May 2016 09:09 CEST | Update | - |
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| article xml uploaded. | 21 May 2016 14:21 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/398/xml |
| article pdf uploaded. | 21 May 2016 14:21 CEST | Updated version of record | https://www.mdpi.com/1996-1944/9/5/398/pdf |
| article html file updated | 21 May 2016 06:07 CEST | Original file | - |
