| article html file updated | 7 February 2020 09:57 CET | Update | https://www.mdpi.com/1420-3049/21/6/747 |
| article html file updated | 21 September 2019 18:45 CEST | Update | N/A |
| article html file updated | 5 May 2019 13:22 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:05 CET | Update | N/A |
| article html file updated | 12 November 2018 04:24 CET | Update | N/A |
| article html file updated | 29 June 2016 11:58 CEST | Update | N/A |
| article html file updated | 8 June 2016 15:09 CEST | Original file | N/A |
| article xml uploaded. | 8 June 2016 15:07 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/747/xml |
| article pdf uploaded. | 8 June 2016 15:07 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/747/pdf |
