| article html file updated | 9 February 2020 05:57 CET | Update | https://www.mdpi.com/2076-3417/8/2/254 |
| article html file updated | 30 September 2019 15:18 CEST | Update | - |
| article html file updated | 1 May 2019 19:59 CEST | Update | - |
| article html file updated | 17 April 2019 19:06 CEST | Update | - |
| article html file updated | 28 March 2019 21:51 CET | Update | - |
| article html file updated | 14 March 2018 11:13 CET | Update | - |
| article html file updated | 8 February 2018 12:37 CET | Original file | - |
| article xml uploaded. | 8 February 2018 12:36 CET | Original file | https://www.mdpi.com/2076-3417/8/2/254/xml |
| article pdf uploaded. | 8 February 2018 12:36 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/254/pdf |
