| article html file updated | 6 February 2020 08:16 CET | Update | https://www.mdpi.com/2072-4292/6/4/2912 |
| article html file updated | 7 May 2019 16:36 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:44 CET | Update | N/A |
| article html file updated | 20 August 2015 01:42 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/4/2912/xml |
| article html file updated | 20 May 2014 13:27 CEST | Original file | N/A |
| article xml file uploaded | 20 May 2014 13:27 CEST | Original file | N/A |
| article pdf uploaded. | 3 April 2014 15:43 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/4/2912/pdf |
| article pdf uploaded. | 31 March 2014 10:25 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/4/2912/pdf-vor |
