| article html file updated | 8 February 2020 09:20 CET | Update | https://www.mdpi.com/2073-4360/9/7/248 |
| article html file updated | 25 September 2019 14:03 CEST | Update | N/A |
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| article html file updated | 27 June 2017 11:55 CEST | Original file | N/A |
| article xml uploaded. | 27 June 2017 11:26 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/248/xml |
| article pdf uploaded. | 27 June 2017 11:26 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/248/pdf |
