| article html file updated | 6 February 2020 19:57 CET | Update | https://www.mdpi.com/1420-3049/20/6/11508 |
| article html file updated | 20 September 2019 23:11 CEST | Update | - |
| article html file updated | 6 May 2019 17:15 CEST | Update | - |
| article html file updated | 26 March 2019 05:12 CET | Update | - |
| article html file updated | 17 September 2018 09:47 CEST | Update | - |
| article html file updated | 21 August 2015 13:59 CEST | Update | - |
| article html file updated | 9 July 2015 06:46 CEST | Original file | - |
| article xml file uploaded | 9 July 2015 06:46 CEST | Original file | https://www.mdpi.com/1420-3049/20/6/11508/xml |
| article pdf uploaded. | 23 June 2015 12:21 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/6/11508/pdf |
| article pdf uploaded. | 23 June 2015 10:58 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/6/11508/pdf-vor |
| article pdf uploaded. | 22 June 2015 17:34 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/6/11508/pdf-vor |