| article html file updated | 8 February 2020 02:42 CET | Update | https://www.mdpi.com/2076-3417/7/4/348 |
| article html file updated | 24 September 2019 02:51 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:02 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:09 CEST | Update | N/A |
| article html file updated | 6 April 2017 14:04 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2017 14:03 CEST | Update | https://www.mdpi.com/2076-3417/7/4/348/xml |
| article pdf uploaded. | 6 April 2017 14:03 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/348/pdf |
| article pdf uploaded. | 31 March 2017 13:30 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/348/pdf-vor |
