| article html file updated | 8 February 2020 00:32 CET | Update | https://www.mdpi.com/2227-7102/7/1/36 |
| article html file updated | 23 September 2019 14:26 CEST | Update | - |
| article html file updated | 4 May 2019 08:48 CEST | Update | - |
| article html file updated | 27 October 2017 09:56 CEST | Update | - |
| article html file updated | 1 March 2017 11:29 CET | Update | - |
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| article html file updated | 1 March 2017 11:28 CET | Original file | - |
| article xml uploaded. | 1 March 2017 11:27 CET | Original file | https://www.mdpi.com/2227-7102/7/1/36/xml |
| article pdf uploaded. | 1 March 2017 11:27 CET | Version of Record | https://www.mdpi.com/2227-7102/7/1/36/pdf |
