| article html file updated | 7 February 2020 09:50 CET | Update | https://www.mdpi.com/2075-1680/5/2/15 |
| article html file updated | 5 May 2019 13:35 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:52 CET | Update | N/A |
| article html file updated | 1 July 2016 10:16 CEST | Update | N/A |
| article html file updated | 14 June 2016 22:34 CEST | Update | N/A |
| article xml uploaded. | 13 June 2016 12:01 CEST | Update | https://www.mdpi.com/2075-1680/5/2/15/xml |
| article pdf uploaded. | 13 June 2016 12:01 CEST | Updated version of record | https://www.mdpi.com/2075-1680/5/2/15/pdf |
| article html file updated | 7 June 2016 07:58 CEST | Original file | N/A |
| article pdf uploaded. | 7 June 2016 07:57 CEST | Version of Record | https://www.mdpi.com/2075-1680/5/2/15/pdf-vor |
