| article html file updated | 9 February 2020 05:04 CET | Update | https://www.mdpi.com/2076-3417/8/2/218 |
| article html file updated | 30 September 2019 09:44 CEST | Update | - |
| article html file updated | 1 May 2019 22:00 CEST | Update | - |
| article html file updated | 17 April 2019 20:47 CEST | Update | - |
| article html file updated | 28 March 2019 19:56 CET | Update | - |
| article html file updated | 14 March 2018 10:31 CET | Update | - |
| article html file updated | 31 January 2018 17:24 CET | Original file | - |
| article xml uploaded. | 31 January 2018 17:23 CET | Update | https://www.mdpi.com/2076-3417/8/2/218/xml |
| article xml uploaded. | 31 January 2018 17:23 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 17:23 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/218/pdf |