| article html file updated | 9 February 2020 01:42 CET | Update | https://www.mdpi.com/2076-3417/8/1/51 |
| article html file updated | 29 September 2019 14:35 CEST | Update | - |
| article html file updated | 2 May 2019 05:04 CEST | Update | - |
| article html file updated | 18 April 2019 03:07 CEST | Update | - |
| article html file updated | 28 March 2019 12:22 CET | Update | - |
| article html file updated | 1 February 2018 11:04 CET | Update | - |
| article html file updated | 2 January 2018 20:55 CET | Original file | - |
| article xml uploaded. | 2 January 2018 13:37 CET | Update | https://www.mdpi.com/2076-3417/8/1/51/xml |
| article pdf uploaded. | 2 January 2018 13:37 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/1/51/pdf |
| article pdf uploaded. | 1 January 2018 09:30 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/51/pdf-vor |
