Society of Interventional Radiology position statement on catheter-directed therapy for acute pulmonary embolism J Vasc Interv Radiol Kuo, W. T., Sista, A. K., Faintuch, S., Dariushnia, S. R., Baerlocher, M. O., Lookstein, R. A., Haskal, Z. J., Nikolic, B., Gemmete, J. J. 2018; In Press