| article html file updated | 9 February 2020 13:21 CET | Update | https://www.mdpi.com/1422-0067/19/4/1156 |
| article html file updated | 2 October 2019 12:00 CEST | Update | - |
| article html file updated | 1 May 2019 04:24 CEST | Update | - |
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| article html file updated | 29 March 2019 14:37 CET | Update | - |
| article html file updated | 11 April 2018 15:35 CEST | Original file | - |
| article xml uploaded. | 11 April 2018 15:34 CEST | Update | https://www.mdpi.com/1422-0067/19/4/1156/xml |
| article pdf uploaded. | 11 April 2018 15:34 CEST | Version of Record | https://www.mdpi.com/1422-0067/19/4/1156/pdf |
