| article html file updated | 9 February 2020 12:24 CET | Update | https://www.mdpi.com/1996-1944/11/4/547 |
| article html file updated | 2 October 2019 06:10 CEST | Update | - |
| article html file updated | 1 May 2019 06:21 CEST | Update | - |
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| article html file updated | 4 April 2018 15:21 CEST | Update | - |
| article xml uploaded. | 4 April 2018 15:19 CEST | Update | https://www.mdpi.com/1996-1944/11/4/547/xml |
| article pdf uploaded. | 4 April 2018 15:11 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/4/547/pdf |
| article html file updated | 3 April 2018 17:17 CEST | Original file | - |
| article pdf uploaded. | 3 April 2018 17:15 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/547/pdf-vor |
