| article html file updated | 9 February 2020 22:59 CET | Update | https://www.mdpi.com/1996-1073/11/7/1668 |
| article html file updated | 4 October 2019 23:48 CEST | Update | - |
| article html file updated | 30 April 2019 07:21 CEST | Update | - |
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| article html file updated | 30 March 2019 14:40 CET | Update | - |
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| article html file updated | 31 July 2018 05:40 CEST | Update | - |
| article html file updated | 27 June 2018 05:40 CEST | Original file | - |
| article pdf uploaded. | 27 June 2018 05:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/7/1668/pdf |
| article xml uploaded. | 27 June 2018 05:39 CEST | Update | https://www.mdpi.com/1996-1073/11/7/1668/xml |
| article xml file uploaded | 27 June 2018 05:39 CEST | Original file | - |
