| article html file updated | 11 February 2020 05:09 CET | Update | https://www.mdpi.com/1996-1073/12/1/48 |
| article html file updated | 12 October 2019 11:06 CEST | Update | - |
| article html file updated | 27 April 2019 14:56 CEST | Update | - |
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| article html file updated | 16 January 2019 05:07 CET | Update | - |
| article html file updated | 24 December 2018 14:16 CET | Original file | - |
| article pdf uploaded. | 24 December 2018 14:14 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/48/pdf |
| article xml uploaded. | 24 December 2018 14:14 CET | Update | https://www.mdpi.com/1996-1073/12/1/48/xml |
| article xml file uploaded | 24 December 2018 14:14 CET | Original file | - |
