| article html file updated | 11 February 2020 07:01 CET | Update | https://www.mdpi.com/2075-4701/9/1/47 |
| article html file updated | 13 September 2019 04:02 CEST | Update | - |
| article html file updated | 13 September 2019 04:02 CEST | Update | - |
| article html file updated | 13 September 2019 04:01 CEST | Update | - |
| article html file updated | 27 April 2019 10:46 CEST | Update | - |
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| article html file updated | 1 March 2019 20:29 CET | Update | - |
| article html file updated | 30 January 2019 04:14 CET | Update | - |
| article html file updated | 8 January 2019 02:23 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 02:05 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/47/pdf |
| article xml uploaded. | 7 January 2019 02:05 CET | Update | https://www.mdpi.com/2075-4701/9/1/47/xml |
| article xml file uploaded | 7 January 2019 02:05 CET | Original file | - |
