| article html file updated | 7 February 2020 09:56 CET | Update | https://www.mdpi.com/1420-3049/21/6/737 |
| article html file updated | 21 September 2019 18:43 CEST | Update | N/A |
| article html file updated | 5 May 2019 13:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:04 CET | Update | N/A |
| article html file updated | 12 November 2018 04:19 CET | Update | N/A |
| article html file updated | 29 June 2016 11:57 CEST | Update | N/A |
| article html file updated | 8 June 2016 11:48 CEST | Original file | N/A |
| article xml uploaded. | 8 June 2016 11:47 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/737/xml |
| article pdf uploaded. | 8 June 2016 11:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/737/pdf |
