| article html file updated | 7 February 2020 09:28 CET | Update | https://www.mdpi.com/1420-3049/21/6/704 |
| article html file updated | 21 September 2019 18:05 CEST | Update | N/A |
| article html file updated | 5 May 2019 14:17 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:07 CET | Update | N/A |
| article html file updated | 12 November 2018 04:06 CET | Update | N/A |
| article html file updated | 29 June 2016 11:53 CEST | Update | N/A |
| article html file updated | 30 May 2016 12:01 CEST | Original file | N/A |
| article xml uploaded. | 30 May 2016 11:59 CEST | Original file | https://www.mdpi.com/1420-3049/21/6/704/xml |
| article pdf uploaded. | 30 May 2016 11:59 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/704/pdf |
