| article html file updated | 6 February 2020 23:21 CET | Update | https://www.mdpi.com/2076-3425/5/4/387 |
| article html file updated | 6 May 2019 10:11 CEST | Update | N/A |
| article html file updated | 26 March 2019 11:49 CET | Update | N/A |
| article html file updated | 28 December 2015 09:52 CET | Update | N/A |
| article xml file uploaded | 28 December 2015 09:52 CET | Update | https://www.mdpi.com/2076-3425/5/4/387/xml |
| article html file updated | 28 October 2015 05:32 CET | Original file | N/A |
| article xml file uploaded | 28 October 2015 05:32 CET | Original file | N/A |
| article pdf uploaded. | 12 October 2015 06:17 CEST | Updated version of record | https://www.mdpi.com/2076-3425/5/4/387/pdf |
| article pdf uploaded. | 29 September 2015 15:28 CEST | Version of Record | https://www.mdpi.com/2076-3425/5/4/387/pdf-vor |
