| article html file updated | 8 February 2020 00:34 CET | Update | https://www.mdpi.com/2076-3417/7/3/228 |
| article html file updated | 23 September 2019 14:40 CEST | Update | - |
| article html file updated | 4 May 2019 08:42 CEST | Update | - |
| article html file updated | 28 March 2017 03:20 CEST | Update | - |
| article html file updated | 2 March 2017 08:24 CET | Original file | - |
| article xml uploaded. | 2 March 2017 08:23 CET | Original file | https://www.mdpi.com/2076-3417/7/3/228/xml |
| article pdf uploaded. | 2 March 2017 08:23 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/3/228/pdf |
| article pdf uploaded. | 1 March 2017 14:29 CET | Version of Record | https://www.mdpi.com/2076-3417/7/3/228/pdf-vor |
