| article html file updated | 8 February 2020 14:14 CET | Update | https://www.mdpi.com/2075-4701/7/9/323 |
| article html file updated | 26 September 2019 16:49 CEST | Update | - |
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| article html file updated | 30 September 2017 09:21 CEST | Update | - |
| article html file updated | 23 August 2017 15:53 CEST | Original file | - |
| article xml uploaded. | 23 August 2017 15:51 CEST | Original file | https://www.mdpi.com/2075-4701/7/9/323/xml |
| article pdf uploaded. | 23 August 2017 15:51 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/9/323/pdf |
