| article html file updated | 8 February 2020 08:16 CET | Update | https://www.mdpi.com/2225-1146/5/2/25 |
| article html file updated | 25 September 2019 08:18 CEST | Update | - |
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| article html file updated | 14 March 2018 10:08 CET | Update | - |
| article html file updated | 14 June 2017 14:23 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 14:21 CEST | Original file | https://www.mdpi.com/2225-1146/5/2/25/xml |
| article pdf uploaded. | 14 June 2017 14:21 CEST | Version of Record | https://www.mdpi.com/2225-1146/5/2/25/pdf |
