| article html file updated | 9 February 2020 05:33 CET | Update | https://www.mdpi.com/1422-0067/19/2/467 |
| article html file updated | 30 September 2019 12:51 CEST | Update | - |
| article html file updated | 1 May 2019 20:55 CEST | Update | - |
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| article html file updated | 14 March 2018 18:41 CET | Update | - |
| article html file updated | 5 February 2018 09:51 CET | Original file | - |
| article xml uploaded. | 5 February 2018 09:49 CET | Original file | https://www.mdpi.com/1422-0067/19/2/467/xml |
| article pdf uploaded. | 5 February 2018 09:49 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/467/pdf |
