| article html file updated | 6 February 2020 22:16 CET | Update | https://www.mdpi.com/2075-4701/5/3/1553 |
| article html file updated | 6 May 2019 12:28 CEST | Update | - |
| article html file updated | 26 March 2019 09:42 CET | Update | - |
| article html file updated | 13 October 2015 12:19 CEST | Update | - |
| article xml file uploaded | 13 October 2015 12:19 CEST | Update | https://www.mdpi.com/2075-4701/5/3/1553/xml |
| article html file updated | 8 September 2015 08:09 CEST | Original file | - |
| article xml file uploaded | 8 September 2015 08:09 CEST | Original file | - |
| article pdf uploaded. | 31 August 2015 10:50 CEST | Updated version of record | https://www.mdpi.com/2075-4701/5/3/1553/pdf |
| article pdf uploaded. | 28 August 2015 13:59 CEST | Version of Record | https://www.mdpi.com/2075-4701/5/3/1553/pdf-vor |
