| article html file updated | 8 February 2020 00:38 CET | Update | https://www.mdpi.com/1422-0067/18/3/535 |
| article html file updated | 23 September 2019 15:03 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:32 CEST | Update | N/A |
| article html file updated | 30 March 2017 10:34 CEST | Update | N/A |
| article html file updated | 3 March 2017 10:53 CET | Original file | N/A |
| article xml uploaded. | 3 March 2017 10:52 CET | Original file | https://www.mdpi.com/1422-0067/18/3/535/xml |
| article pdf uploaded. | 3 March 2017 10:52 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/3/535/pdf |
| article pdf uploaded. | 2 March 2017 12:51 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/535/pdf-vor |
