| article html file updated | 9 February 2020 03:09 CET | Update | https://www.mdpi.com/2076-3417/8/1/117 |
| article html file updated | 29 September 2019 22:39 CEST | Update | - |
| article html file updated | 2 May 2019 02:03 CEST | Update | - |
| article html file updated | 18 April 2019 00:19 CEST | Update | - |
| article html file updated | 28 March 2019 15:47 CET | Update | - |
| article html file updated | 1 February 2018 13:12 CET | Update | - |
| article html file updated | 15 January 2018 16:04 CET | Original file | - |
| article xml uploaded. | 15 January 2018 16:02 CET | Update | https://www.mdpi.com/2076-3417/8/1/117/xml |
| article xml uploaded. | 15 January 2018 16:02 CET | Original file | - |
| article pdf uploaded. | 15 January 2018 16:02 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/117/pdf |
