| article html file updated | 9 February 2020 09:03 CET | Update | https://www.mdpi.com/2078-2489/9/3/57 |
| article html file updated | 1 October 2019 09:16 CEST | Update | - |
| article html file updated | 1 May 2019 13:23 CEST | Update | - |
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| article html file updated | 26 March 2018 12:58 CEST | Update | - |
| article html file updated | 8 March 2018 09:34 CET | Original file | - |
| article xml uploaded. | 8 March 2018 09:33 CET | Original file | https://www.mdpi.com/2078-2489/9/3/57/xml |
| article pdf uploaded. | 8 March 2018 09:33 CET | Version of Record | https://www.mdpi.com/2078-2489/9/3/57/pdf |
