| article html file updated | 8 February 2020 05:31 CET | Update | https://www.mdpi.com/1996-1073/10/5/663 |
| article html file updated | 24 September 2019 18:05 CEST | Update | - |
| article html file updated | 3 May 2019 22:41 CEST | Update | - |
| article html file updated | 27 May 2017 03:13 CEST | Update | - |
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| article html file updated | 10 May 2017 12:10 CEST | Original file | - |
| article xml uploaded. | 10 May 2017 12:08 CEST | Update | https://www.mdpi.com/1996-1073/10/5/663/xml |
| article pdf uploaded. | 10 May 2017 12:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/663/pdf |
