| article html file updated | 8 February 2020 01:09 CET | Update | https://www.mdpi.com/2076-3417/7/3/273 |
| article html file updated | 23 September 2019 18:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 07:23 CEST | Update | N/A |
| article html file updated | 28 March 2017 03:50 CEST | Update | N/A |
| article html file updated | 10 March 2017 11:52 CET | Original file | N/A |
| article xml uploaded. | 10 March 2017 11:50 CET | Original file | https://www.mdpi.com/2076-3417/7/3/273/xml |
| article pdf uploaded. | 10 March 2017 11:50 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/3/273/pdf |
| article pdf uploaded. | 9 March 2017 16:31 CET | Version of Record | https://www.mdpi.com/2076-3417/7/3/273/pdf-vor |
