| article html file updated | 8 February 2020 13:15 CET | Update | https://www.mdpi.com/2225-1154/5/3/61 |
| article html file updated | 26 September 2019 11:25 CEST | Update | - |
| article html file updated | 3 May 2019 07:33 CEST | Update | - |
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| article html file updated | 30 September 2017 07:49 CEST | Update | - |
| article html file updated | 10 August 2017 14:06 CEST | Original file | - |
| article xml uploaded. | 10 August 2017 14:05 CEST | Original file | https://www.mdpi.com/2225-1154/5/3/61/xml |
| article pdf uploaded. | 10 August 2017 14:05 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/3/61/pdf |
