| article html file updated | 7 February 2020 04:35 CET | Update | https://www.mdpi.com/2075-4663/4/1/11 |
| article html file updated | 21 September 2019 11:22 CEST | Update | N/A |
| article html file updated | 6 May 2019 00:17 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:47 CET | Update | N/A |
| article html file updated | 29 March 2016 11:11 CEST | Original file | N/A |
| article pdf uploaded. | 19 February 2016 07:17 CET | Updated version of record | https://www.mdpi.com/2075-4663/4/1/11/pdf |
| article xml uploaded. | 19 February 2016 07:17 CET | Update | https://www.mdpi.com/2075-4663/4/1/11/xml |
| article pdf uploaded. | 16 February 2016 07:59 CET | Version of Record | https://www.mdpi.com/2075-4663/4/1/11/pdf-vor |
| article xml uploaded. | 16 February 2016 07:59 CET | Original file | N/A |
