| article html file updated | 9 February 2020 10:45 CET | Update | https://www.mdpi.com/2077-0472/8/4/46 |
| article html file updated | 1 October 2019 20:35 CEST | Update | - |
| article html file updated | 1 May 2019 09:48 CEST | Update | - |
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| article html file updated | 1 May 2018 10:32 CEST | Update | - |
| article html file updated | 22 March 2018 05:49 CET | Original file | - |
| article xml uploaded. | 22 March 2018 05:48 CET | Original file | https://www.mdpi.com/2077-0472/8/4/46/xml |
| article pdf uploaded. | 22 March 2018 05:48 CET | Version of Record | https://www.mdpi.com/2077-0472/8/4/46/pdf |
