| article html file updated | 9 February 2020 03:38 CET | Update | https://www.mdpi.com/2076-3417/8/1/138 |
| article html file updated | 30 September 2019 01:28 CEST | Update | - |
| article html file updated | 2 May 2019 01:04 CEST | Update | - |
| article html file updated | 17 April 2019 23:26 CEST | Update | - |
| article html file updated | 28 March 2019 16:51 CET | Update | - |
| article html file updated | 1 February 2018 13:42 CET | Update | - |
| article html file updated | 19 January 2018 16:31 CET | Original file | - |
| article xml uploaded. | 19 January 2018 16:29 CET | Update | https://www.mdpi.com/2076-3417/8/1/138/xml |
| article xml uploaded. | 19 January 2018 16:29 CET | Update | - |
| article xml uploaded. | 19 January 2018 16:29 CET | Original file | - |
| article pdf uploaded. | 19 January 2018 16:29 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/138/pdf |
