| article html file updated | 8 February 2020 02:19 CET | Update | https://www.mdpi.com/1422-0067/18/4/708 |
| article html file updated | 24 September 2019 00:38 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:52 CEST | Update | N/A |
| article html file updated | 2 May 2017 05:49 CEST | Update | N/A |
| article html file updated | 28 March 2017 07:39 CEST | Update | N/A |
| article xml uploaded. | 28 March 2017 07:37 CEST | Update | https://www.mdpi.com/1422-0067/18/4/708/xml |
| article pdf uploaded. | 28 March 2017 07:37 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/708/pdf |
| article html file updated | 27 March 2017 12:01 CEST | Original file | N/A |
| article pdf uploaded. | 27 March 2017 12:00 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/708/pdf-vor |
