| article html file updated | 6 February 2020 19:17 CET | Update | https://www.mdpi.com/2075-4698/5/2/537 |
| article html file updated | 20 September 2019 22:16 CEST | Update | - |
| article html file updated | 6 May 2019 18:36 CEST | Update | - |
| article html file updated | 26 March 2019 03:59 CET | Update | - |
| article html file updated | 21 August 2015 13:03 CEST | Update | - |
| article html file updated | 30 June 2015 08:04 CEST | Original file | - |
| article xml file uploaded | 30 June 2015 08:04 CEST | Original file | https://www.mdpi.com/2075-4698/5/2/537/xml |
| article pdf uploaded. | 11 June 2015 10:17 CEST | Updated version of record | https://www.mdpi.com/2075-4698/5/2/537/pdf |
| article pdf uploaded. | 2 June 2015 14:53 CEST | Version of Record | https://www.mdpi.com/2075-4698/5/2/537/pdf-vor |
