| article html file updated | 6 February 2020 21:59 CET | Update | https://www.mdpi.com/2076-2607/3/3/464 |
| article html file updated | 6 May 2019 13:01 CEST | Update | N/A |
| article html file updated | 26 March 2019 09:11 CET | Update | N/A |
| article html file updated | 18 May 2016 12:28 CEST | Update | N/A |
| article html file updated | 23 October 2015 12:48 CEST | Original file | N/A |
| article xml file uploaded | 23 October 2015 12:48 CEST | Original file | https://www.mdpi.com/2076-2607/3/3/464/xml |
| article pdf uploaded. | 28 August 2015 14:53 CEST | Updated version of record | https://www.mdpi.com/2076-2607/3/3/464/pdf |
| article pdf uploaded. | 25 August 2015 11:04 CEST | Updated version of record | https://www.mdpi.com/2076-2607/3/3/464/pdf-vor |
| article pdf uploaded. | 25 August 2015 10:11 CEST | Updated version of record | https://www.mdpi.com/2076-2607/3/3/464/pdf-vor |
| article pdf uploaded. | 21 August 2015 12:34 CEST | Version of Record | https://www.mdpi.com/2076-2607/3/3/464/pdf-vor |