function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baranov, Viktor & Kvifte, Gunnar Mikalsen', 1],
    ['Chamutiová, Tímea & Hamerlík, Ladislav & Bitušík, Peter', 4],
    ['Epler, John H.', 1],
    ['Fang, Xiangliang & Wang, Xinhua & Fu, Yue', 3],
    ['Fu, Yue & Fang, Xiang-Liang & Wang, Xin-Hua & Shen, Mi', 5],
    ['Fu, Yue & Liu, Tian & Fang, Xiangliang & Wang, Qian', 3],
    ['Fu, Yue & Saether, Ole A.', 23],
    ['Fu, Yue & Saether, Ole A. & Wang, Xinhua', 27],
    ['Fu, Yue & Wang, Xin-Hua & Fang, Xiang-Liang & Xiao, Yun-Li', 9],
    ['Ivkovic, Marija & Doric, Valentina & Baranov, Viktor', 1],
    ['Makarchenko, Eugenyi A. Makarchenko Marina A.', 7],
    ['Namayandeh, Armin & Bilyj, Bohdan & Beresford, David V.', 2],
    ['Tasdemir, Ayse & Akyildiz, Gurcay Kivanc', 7],
    ['Wiedenbrug, Sofia & Lamas, Carlos E. & Trivinho-Strixino, Susana', 25],
    ['Wiedenbrug, Sofia & Trivinho-Strixino, Susana', 12],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=132)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);