| article html file updated | 8 February 2020 14:27 CET | Update | https://www.mdpi.com/2073-4352/7/9/260 |
| article html file updated | 26 September 2019 17:56 CEST | Update | - |
| article html file updated | 3 May 2019 05:12 CEST | Update | - |
| article html file updated | 30 September 2017 08:40 CEST | Update | - |
| article html file updated | 25 August 2017 08:55 CEST | Update | - |
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| article xml uploaded. | 25 August 2017 08:54 CEST | Update | https://www.mdpi.com/2073-4352/7/9/260/xml |
| article pdf uploaded. | 25 August 2017 08:54 CEST | Updated version of record | https://www.mdpi.com/2073-4352/7/9/260/pdf |
| article xml uploaded. | 25 August 2017 08:54 CEST | Original file | - |
| article pdf uploaded. | 25 August 2017 08:54 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/9/260/pdf-vor |