| article html file updated | 7 February 2020 06:12 CET | Update | https://www.mdpi.com/2073-4360/8/3/97 |
| article html file updated | 21 September 2019 13:37 CEST | Update | N/A |
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| article html file updated | 30 March 2016 07:57 CEST | Original file | N/A |
| article xml uploaded. | 22 March 2016 11:21 CET | Original file | https://www.mdpi.com/2073-4360/8/3/97/xml |
| article pdf uploaded. | 22 March 2016 11:21 CET | Version of Record | https://www.mdpi.com/2073-4360/8/3/97/pdf |
