| article html file updated | 9 February 2020 09:49 CET | Update | https://www.mdpi.com/2073-4395/8/3/32 |
| article html file updated | 1 October 2019 14:56 CEST | Update | - |
| article html file updated | 1 May 2019 11:49 CEST | Update | - |
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| article html file updated | 26 March 2018 12:43 CEST | Update | - |
| article html file updated | 14 March 2018 20:23 CET | Original file | - |
| article xml uploaded. | 14 March 2018 17:10 CET | Update | https://www.mdpi.com/2073-4395/8/3/32/xml |
| article pdf uploaded. | 14 March 2018 17:10 CET | Version of Record | https://www.mdpi.com/2073-4395/8/3/32/pdf |
