| article html file updated | 7 February 2020 22:57 CET | Update | https://www.mdpi.com/2076-3417/7/2/157 |
| article html file updated | 23 September 2019 05:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:08 CEST | Update | N/A |
| article html file updated | 1 March 2017 04:32 CET | Update | N/A |
| article html file updated | 14 February 2017 07:14 CET | Original file | N/A |
| article xml uploaded. | 14 February 2017 07:12 CET | Update | https://www.mdpi.com/2076-3417/7/2/157/xml |
| article xml uploaded. | 14 February 2017 07:12 CET | Original file | N/A |
| article pdf uploaded. | 14 February 2017 07:12 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/157/pdf |
| article pdf uploaded. | 8 February 2017 17:26 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/157/pdf-vor |
