| article html file updated | 8 February 2020 04:39 CET | Update | https://www.mdpi.com/2227-9059/5/2/18 |
| article html file updated | 24 September 2019 13:39 CEST | Update | - |
| article html file updated | 4 May 2019 00:16 CEST | Update | - |
| article html file updated | 29 June 2017 12:37 CEST | Update | - |
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| article html file updated | 11 May 2017 14:12 CEST | Update | - |
| article xml uploaded. | 11 May 2017 14:11 CEST | Update | https://www.mdpi.com/2227-9059/5/2/18/xml |
| article pdf uploaded. | 11 May 2017 14:11 CEST | Updated version of record | https://www.mdpi.com/2227-9059/5/2/18/pdf |
| article html file updated | 28 April 2017 14:53 CEST | Original file | - |
| article pdf uploaded. | 28 April 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/18/pdf-vor |
