| article html file updated | 8 February 2020 02:12 CET | Update | https://www.mdpi.com/2297-8739/4/2/11 |
| article html file updated | 24 September 2019 00:00 CEST | Update | - |
| article html file updated | 4 May 2019 05:08 CEST | Update | - |
| article html file updated | 30 June 2017 09:13 CEST | Update | - |
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| article html file updated | 24 March 2017 22:36 CET | Update | - |
| article html file updated | 24 March 2017 14:44 CET | Original file | - |
| article xml uploaded. | 24 March 2017 14:43 CET | Original file | https://www.mdpi.com/2297-8739/4/2/11/xml |
| article pdf uploaded. | 24 March 2017 14:43 CET | Version of Record | https://www.mdpi.com/2297-8739/4/2/11/pdf |
