| article html file updated | 9 February 2020 04:17 CET | Update | https://www.mdpi.com/2076-3417/8/2/168 |
| article html file updated | 30 September 2019 05:06 CEST | Update | - |
| article html file updated | 1 May 2019 23:42 CEST | Update | - |
| article html file updated | 17 April 2019 22:15 CEST | Update | - |
| article html file updated | 28 March 2019 18:13 CET | Update | - |
| article html file updated | 14 March 2018 09:49 CET | Update | - |
| article html file updated | 25 January 2018 07:00 CET | Original file | - |
| article xml uploaded. | 25 January 2018 06:59 CET | Update | https://www.mdpi.com/2076-3417/8/2/168/xml |
| article xml uploaded. | 25 January 2018 06:59 CET | Original file | - |
| article pdf uploaded. | 25 January 2018 06:59 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/168/pdf |
