| article html file updated | 7 February 2020 07:49 CET | Update | https://www.mdpi.com/2076-393X/4/2/13 |
| article html file updated | 5 May 2019 17:31 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:01 CET | Update | N/A |
| article html file updated | 4 July 2016 11:48 CEST | Update | N/A |
| article html file updated | 27 April 2016 13:46 CEST | Update | N/A |
| article xml uploaded. | 27 April 2016 13:45 CEST | Update | https://www.mdpi.com/2076-393X/4/2/13/xml |
| article pdf uploaded. | 27 April 2016 13:40 CEST | Updated version of record | https://www.mdpi.com/2076-393X/4/2/13/pdf |
| article html file updated | 26 April 2016 12:04 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2016 12:03 CEST | Version of Record | https://www.mdpi.com/2076-393X/4/2/13/pdf-vor |
