| article html file updated | 8 February 2020 01:34 CET | Update | https://www.mdpi.com/1422-0067/18/3/641 |
| article html file updated | 23 September 2019 20:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:31 CEST | Update | N/A |
| article html file updated | 30 March 2017 10:47 CEST | Update | N/A |
| article html file updated | 16 March 2017 09:35 CET | Original file | N/A |
| article xml uploaded. | 16 March 2017 09:34 CET | Original file | https://www.mdpi.com/1422-0067/18/3/641/xml |
| article pdf uploaded. | 16 March 2017 09:34 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/641/pdf |
