| article html file updated | 7 February 2020 20:22 CET | Update | https://www.mdpi.com/2076-3417/7/1/31 |
| article html file updated | 22 September 2019 15:36 CEST | Update | - |
| article html file updated | 4 May 2019 17:40 CEST | Update | - |
| article html file updated | 8 February 2017 09:06 CET | Update | - |
| article html file updated | 29 December 2016 09:06 CET | Update | - |
| article xml uploaded. | 29 December 2016 09:04 CET | Update | https://www.mdpi.com/2076-3417/7/1/31/xml |
| article xml uploaded. | 29 December 2016 09:04 CET | Update | - |
| article pdf uploaded. | 29 December 2016 09:04 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/1/31/pdf |
| article html file updated | 27 December 2016 11:53 CET | Original file | - |
| article xml uploaded. | 27 December 2016 10:59 CET | Update | - |
| article xml uploaded. | 27 December 2016 10:59 CET | Update | - |
| article xml uploaded. | 27 December 2016 10:59 CET | Original file | - |
| article pdf uploaded. | 27 December 2016 10:59 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/31/pdf-vor |
