| article html file updated | 9 February 2020 03:51 CET | Update | https://www.mdpi.com/2073-4433/9/1/34 |
| article html file updated | 30 September 2019 02:46 CEST | Update | - |
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| article html file updated | 28 March 2019 17:20 CET | Update | - |
| article html file updated | 1 February 2018 07:52 CET | Update | - |
| article html file updated | 23 January 2018 07:24 CET | Update | - |
| article xml uploaded. | 23 January 2018 07:22 CET | Update | https://www.mdpi.com/2073-4433/9/1/34/xml |
| article xml uploaded. | 23 January 2018 07:22 CET | Update | - |
| article xml uploaded. | 23 January 2018 07:22 CET | Update | - |
| article pdf uploaded. | 23 January 2018 07:22 CET | Updated version of record | https://www.mdpi.com/2073-4433/9/1/34/pdf |
| article pdf uploaded. | 22 January 2018 12:13 CET | Updated version of record | https://www.mdpi.com/2073-4433/9/1/34/pdf-vor |
| article html file updated | 22 January 2018 12:10 CET | Original file | - |
| article xml uploaded. | 22 January 2018 12:09 CET | Update | - |
| article xml uploaded. | 22 January 2018 12:09 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 12:09 CET | Version of Record | https://www.mdpi.com/2073-4433/9/1/34/pdf-vor |