| article html file updated | 9 February 2020 04:40 CET | Update | https://www.mdpi.com/2073-4352/8/2/63 |
| article html file updated | 30 September 2019 07:26 CEST | Update | - |
| article html file updated | 1 May 2019 22:53 CEST | Update | - |
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| article html file updated | 14 March 2018 09:02 CET | Update | - |
| article html file updated | 29 January 2018 03:50 CET | Original file | - |
| article xml uploaded. | 29 January 2018 03:42 CET | Update | https://www.mdpi.com/2073-4352/8/2/63/xml |
| article xml uploaded. | 29 January 2018 03:42 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:42 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:42 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:41 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:41 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:41 CET | Update | - |
| article xml uploaded. | 29 January 2018 03:41 CET | Original file | - |
| article pdf uploaded. | 29 January 2018 03:41 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/63/pdf |
