| article html file updated | 9 February 2020 01:45 CET | Update | https://www.mdpi.com/2075-163X/8/1/8 |
| article html file updated | 29 September 2019 14:53 CEST | Update | N/A |
| article html file updated | 2 May 2019 04:56 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:00 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:31 CET | Update | N/A |
| article html file updated | 1 February 2018 09:34 CET | Update | N/A |
| article pdf uploaded. | 23 January 2018 04:38 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/1/8/pdf |
| article html file updated | 19 January 2018 23:29 CET | Update | N/A |
| article xml uploaded. | 19 January 2018 03:21 CET | Update | https://www.mdpi.com/2075-163X/8/1/8/xml |
| article pdf uploaded. | 19 January 2018 03:21 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/1/8/pdf-vor |
| article pdf uploaded. | 17 January 2018 03:08 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/1/8/pdf-vor |
| article html file updated | 2 January 2018 20:14 CET | Original file | N/A |
| article pdf uploaded. | 2 January 2018 10:03 CET | Version of Record | https://www.mdpi.com/2075-163X/8/1/8/pdf-vor |
