| article html file updated | 9 February 2020 02:49 CET | Update | https://www.mdpi.com/2075-4450/9/1/7 |
| article html file updated | 29 September 2019 20:38 CEST | Update | N/A |
| article html file updated | 2 May 2019 02:44 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:57 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:00 CET | Update | N/A |
| article html file updated | 27 March 2018 14:31 CEST | Update | N/A |
| article html file updated | 12 January 2018 09:17 CET | Original file | N/A |
| article xml uploaded. | 12 January 2018 09:16 CET | Original file | https://www.mdpi.com/2075-4450/9/1/7/xml |
| article pdf uploaded. | 12 January 2018 09:16 CET | Version of Record | https://www.mdpi.com/2075-4450/9/1/7/pdf |
