| article html file updated | 9 February 2020 06:47 CET | Update | https://www.mdpi.com/1996-1073/11/2/438 |
| article html file updated | 30 September 2019 20:16 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:06 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:26 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:39 CET | Update | N/A |
| article html file updated | 14 March 2018 16:25 CET | Update | N/A |
| article html file updated | 22 February 2018 10:44 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 10:43 CET | Update | https://www.mdpi.com/1996-1073/11/2/438/xml |
| article xml uploaded. | 22 February 2018 10:43 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2018 10:43 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/438/pdf |
| article pdf uploaded. | 15 February 2018 13:43 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/438/pdf-vor |
