| article html file updated | 9 February 2020 01:57 CET | Update | https://www.mdpi.com/2076-3417/8/1/63 |
| article html file updated | 29 September 2019 16:00 CEST | Update | - |
| article html file updated | 2 May 2019 04:32 CEST | Update | - |
| article html file updated | 18 April 2019 02:36 CEST | Update | - |
| article html file updated | 28 March 2019 12:59 CET | Update | - |
| article html file updated | 1 February 2018 11:19 CET | Update | - |
| article html file updated | 4 January 2018 06:56 CET | Original file | - |
| article xml uploaded. | 4 January 2018 06:55 CET | Original file | https://www.mdpi.com/2076-3417/8/1/63/xml |
| article pdf uploaded. | 4 January 2018 06:55 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/63/pdf |
