function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barbosa, Marina Ferraz De Camargo & Oconnor, Barry M.', 2],
    ['Cilbircioğlu, Cihan & Çobanoğlu, Sultan', 7],
    ['Clark, John M.', 1],
    ['Ebrahimi, Najmeh & Noei, Javad', 19],
    ['Fan, Qing-Hai & Li, Dongmei & George, Sherly', 2],
    ['Fan, Qing-Hai & Zhang, Zhi-Qiang', 9],
    ['Fiaboe, Komi K. M. & Gondim, Manoel G. C. & De, Gilberto J.', 1],
    ['Flechtmann, Carlos H. W. & Etienne, Jean', 2],
    ['Khanjani, Farshad Masoudian Mohammad & Saboori, Alireza', 2],
    ['Klimov, Pavel B. & Oconnor, Barry & Khaustov, Alexander A.', 3],
    ['Linnaeus, Carolus', 35],
    ['MartinezK, Pablo A. & PortaK, Andrés O.', 3],
    ['Maslov, S. I.', 2],
    ['Masoudian, Farshad & Khanjani, Mohammad & Saboori, Alireza', 2],
    ['Willmann, C.', 7],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=100)',
    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);