| article html file updated | 6 February 2020 21:19 CET | Update | https://www.mdpi.com/2075-5309/5/3/814 |
| article html file updated | 6 May 2019 14:28 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:52 CET | Update | N/A |
| article html file updated | 7 September 2015 11:52 CEST | Update | N/A |
| article xml file uploaded | 7 September 2015 11:52 CEST | Original file | https://www.mdpi.com/2075-5309/5/3/814/xml |
| article html file updated | 21 August 2015 15:22 CEST | Original file | N/A |
| article pdf uploaded. | 7 August 2015 10:22 CEST | Updated version of record | https://www.mdpi.com/2075-5309/5/3/814/pdf |
| article pdf uploaded. | 31 July 2015 15:18 CEST | Version of Record | https://www.mdpi.com/2075-5309/5/3/814/pdf-vor |
