| article html file updated | 9 February 2020 11:47 CET | Update | https://www.mdpi.com/2075-163X/8/4/138 |
| article html file updated | 2 October 2019 02:26 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:36 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:35 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:01 CET | Update | N/A |
| article html file updated | 1 May 2018 13:22 CEST | Update | N/A |
| article html file updated | 3 April 2018 12:58 CEST | Update | N/A |
| article html file updated | 2 April 2018 23:12 CEST | Update | N/A |
| article xml uploaded. | 2 April 2018 10:41 CEST | Update | https://www.mdpi.com/2075-163X/8/4/138/xml |
| article pdf uploaded. | 2 April 2018 10:41 CEST | Updated version of record | https://www.mdpi.com/2075-163X/8/4/138/pdf |
| article html file updated | 29 March 2018 17:04 CEST | Original file | N/A |
| article pdf uploaded. | 29 March 2018 17:03 CEST | Version of Record | https://www.mdpi.com/2075-163X/8/4/138/pdf-vor |
