| article html file updated | 7 February 2020 08:00 CET | Update | https://www.mdpi.com/2304-8158/5/2/33 |
| article html file updated | 5 May 2019 17:09 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:23 CET | Update | N/A |
| article html file updated | 10 February 2017 03:46 CET | Update | N/A |
| article html file updated | 5 July 2016 06:36 CEST | Update | N/A |
| article html file updated | 29 April 2016 14:08 CEST | Original file | N/A |
| article xml uploaded. | 29 April 2016 14:07 CEST | Original file | https://www.mdpi.com/2304-8158/5/2/33/xml |
| article pdf uploaded. | 29 April 2016 14:07 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/2/33/pdf |
