| article html file updated | 7 February 2020 10:19 CET | Update | https://www.mdpi.com/2075-4450/7/2/25 |
| article html file updated | 5 May 2019 12:40 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:46 CET | Update | N/A |
| article html file updated | 4 July 2016 10:36 CEST | Update | N/A |
| article html file updated | 20 June 2016 09:41 CEST | Update | N/A |
| article xml uploaded. | 20 June 2016 09:39 CEST | Update | https://www.mdpi.com/2075-4450/7/2/25/xml |
| article pdf uploaded. | 20 June 2016 09:39 CEST | Updated version of record | https://www.mdpi.com/2075-4450/7/2/25/pdf |
| article html file updated | 17 June 2016 08:40 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2016 08:39 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/2/25/pdf-vor |
