| article html file updated | 7 February 2020 07:26 CET | Update | https://www.mdpi.com/2076-3417/6/4/113 |
| article html file updated | 5 May 2019 18:17 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:13 CET | Update | N/A |
| article html file updated | 27 April 2016 11:31 CEST | Update | N/A |
| article html file updated | 19 April 2016 09:06 CEST | Original file | N/A |
| article xml uploaded. | 19 April 2016 09:05 CEST | Original file | https://www.mdpi.com/2076-3417/6/4/113/xml |
| article pdf uploaded. | 19 April 2016 09:05 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/4/113/pdf |
