| article html file updated | 9 February 2020 02:40 CET | Update | https://www.mdpi.com/2076-2607/6/1/7 |
| article html file updated | 2 May 2019 03:02 CEST | Update | N/A |
| article html file updated | 18 April 2019 01:13 CEST | Update | N/A |
| article html file updated | 28 March 2019 14:39 CET | Update | N/A |
| article html file updated | 27 March 2018 14:43 CEST | Update | N/A |
| article html file updated | 12 January 2018 15:59 CET | Original file | N/A |
| article xml uploaded. | 12 January 2018 15:58 CET | Original file | https://www.mdpi.com/2076-2607/6/1/7/xml |
| article pdf uploaded. | 12 January 2018 15:58 CET | Version of Record | https://www.mdpi.com/2076-2607/6/1/7/pdf |
