| article html file updated | 9 February 2020 02:52 CET | Update | https://www.mdpi.com/1660-4601/15/1/121 |
| article html file updated | 29 September 2019 20:55 CEST | Update | N/A |
| article html file updated | 2 May 2019 02:38 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:51 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:07 CET | Update | N/A |
| article html file updated | 1 February 2018 08:46 CET | Update | N/A |
| article html file updated | 31 January 2018 08:39 CET | Update | N/A |
| article html file updated | 16 January 2018 03:44 CET | Update | N/A |
| article xml uploaded. | 16 January 2018 03:43 CET | Update | https://www.mdpi.com/1660-4601/15/1/121/xml |
| article pdf uploaded. | 16 January 2018 03:43 CET | Updated version of record | https://www.mdpi.com/1660-4601/15/1/121/pdf |
| article html file updated | 12 January 2018 14:13 CET | Original file | N/A |
| article xml uploaded. | 12 January 2018 14:12 CET | Original file | N/A |
| article pdf uploaded. | 12 January 2018 14:12 CET | Version of Record | https://www.mdpi.com/1660-4601/15/1/121/pdf-vor |
