| article html file updated | 8 February 2020 00:11 CET | Update | https://www.mdpi.com/2073-4360/9/3/80 |
| article html file updated | 23 September 2019 12:27 CEST | Update | - |
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| article html file updated | 29 March 2017 05:45 CEST | Update | - |
| article html file updated | 24 February 2017 11:11 CET | Original file | - |
| article xml uploaded. | 24 February 2017 11:10 CET | Original file | https://www.mdpi.com/2073-4360/9/3/80/xml |
| article pdf uploaded. | 24 February 2017 11:10 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/80/pdf |
