| article html file updated | 8 February 2020 15:23 CET | Update | https://www.mdpi.com/1996-1073/10/9/1337 |
| article html file updated | 26 September 2019 23:08 CEST | Update | - |
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| article html file updated | 30 September 2017 08:16 CEST | Update | - |
| article html file updated | 5 September 2017 13:24 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 13:22 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1337/xml |
| article pdf uploaded. | 5 September 2017 13:22 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1337/pdf |
