| article html file updated | 11 February 2020 07:37 CET | Update | https://www.mdpi.com/2075-4701/9/1/55 |
| article html file updated | 13 October 2019 01:55 CEST | Update | - |
| article html file updated | 27 April 2019 09:29 CEST | Update | - |
| article html file updated | 13 April 2019 05:27 CEST | Update | - |
| article html file updated | 3 April 2019 00:16 CEST | Update | - |
| article html file updated | 1 March 2019 20:33 CET | Update | - |
| article html file updated | 30 January 2019 04:37 CET | Update | - |
| article html file updated | 9 January 2019 09:38 CET | Original file | - |
| article pdf uploaded. | 9 January 2019 09:36 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/55/pdf |
| article xml uploaded. | 9 January 2019 09:36 CET | Update | https://www.mdpi.com/2075-4701/9/1/55/xml |
| article xml file uploaded | 9 January 2019 09:36 CET | Original file | - |
