| article html file updated | 7 February 2020 09:29 CET | Update | https://www.mdpi.com/1420-3049/21/6/709 |
| article html file updated | 21 September 2019 18:07 CEST | Update | N/A |
| article html file updated | 5 May 2019 14:14 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:09 CET | Update | N/A |
| article html file updated | 12 November 2018 04:07 CET | Update | N/A |
| article html file updated | 29 June 2016 11:54 CEST | Update | N/A |
| article html file updated | 30 May 2016 16:06 CEST | Original file | N/A |
| article xml uploaded. | 30 May 2016 16:05 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/709/xml |
| article pdf uploaded. | 30 May 2016 16:05 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/709/pdf |
