| article html file updated | 7 February 2020 07:28 CET | Update | https://www.mdpi.com/2073-4360/8/4/152 |
| article html file updated | 21 September 2019 15:27 CEST | Update | - |
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| article html file updated | 29 April 2016 10:01 CEST | Update | - |
| article html file updated | 19 April 2016 11:27 CEST | Original file | - |
| article xml uploaded. | 19 April 2016 11:26 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/152/xml |
| article pdf uploaded. | 19 April 2016 11:26 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/152/pdf |
