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That is when two European studies presented at an international medical meeting in Barcelona , Spain , reported evidence of long-term clotting risks with the two best-selling drug-coated stents , which are made by two American companies , Boston Scientific and Johnson & Johnson .
 administrative division of country: Barcelona, Spain; country of administrative divisions: Spain, Barcelona
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Barcelona, Spain; Spain, Barcelona 
Answer:
 administrative division of country: Barcelona, Spain; country of administrative divisions: Spain, Barcelona