| article html file updated | 8 February 2020 08:55 CET | Update | https://www.mdpi.com/2227-9059/5/2/34 |
| article html file updated | 25 September 2019 11:43 CEST | Update | - |
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| article html file updated | 29 June 2017 12:39 CEST | Update | - |
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| article html file updated | 22 June 2017 11:40 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 10:48 CEST | Original file | https://www.mdpi.com/2227-9059/5/2/34/xml |
| article pdf uploaded. | 22 June 2017 10:48 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/34/pdf |
