| article html file updated | 9 February 2020 00:22 CET | Update | https://www.mdpi.com/2078-2489/8/4/158 |
| article html file updated | 29 September 2019 06:59 CEST | Update | - |
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| article html file updated | 18 April 2019 05:44 CEST | Update | - |
| article html file updated | 2 January 2018 13:48 CET | Update | - |
| article html file updated | 18 December 2017 06:32 CET | Original file | - |
| article xml uploaded. | 18 December 2017 06:30 CET | Original file | https://www.mdpi.com/2078-2489/8/4/158/xml |
| article pdf uploaded. | 18 December 2017 06:30 CET | Version of Record | https://www.mdpi.com/2078-2489/8/4/158/pdf |
