| article html file updated | 9 February 2020 11:21 CET | Update | https://www.mdpi.com/1996-1073/11/4/753 |
| article html file updated | 1 October 2019 23:59 CEST | Update | - |
| article html file updated | 1 May 2019 08:31 CEST | Update | - |
| article html file updated | 17 April 2019 08:26 CEST | Update | - |
| article html file updated | 29 March 2019 10:01 CET | Update | - |
| article html file updated | 1 May 2018 08:39 CEST | Update | - |
| article html file updated | 27 March 2018 12:06 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 12:05 CEST | Original file | https://www.mdpi.com/1996-1073/11/4/753/xml |
| article pdf uploaded. | 27 March 2018 12:05 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/753/pdf |
| article pdf uploaded. | 26 March 2018 17:44 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/753/pdf-vor |