function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cao, Tong & Watson, Gillian W. & Hodgson, Chris J. & Jing, Qi', 7],
    ['Choi, Jinyeong & Lee, Seunghwan', 5],
    ['Choi, Jinyeong & Soysouvanh, Pheophanh & Lee, Seunghwan', 8],
    ['Fullaway, D. T.', 2],
    ['Gullan, Penny J. & Kondo, Takumasa & Fiala, Brigitte', 13],
    ['Kondo, Takumasa & Muñoz, Jazmín Adriana', 2],
    ['Linnaeus, Carolus', 19],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 3],
    ['Morrison, Harold', 6],
    ['Novoa, Nereida Mestre & Hamon, Avas & Evans, Greg', 4],
    ['Stalažs, Arturs', 3],
    ['Suh, Soo-Jung & Hyun, Ik-Hwa', 3],
    ['Williams, D. J.', 7],
    ['Williams, D. J. & Z. - Q', 10],
    ['Williams, Douglas J. & Ben-Dov, Yair', 192],
    ['Other (18)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=307)',
    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);