function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alarie, Yves', 3],
    ['Budaev, F. A. & Eremeeva, N. I. & Efimov, D. A.', 5],
    ['Colpani, Daniara & Benetti, Cesar João & Hamada, Neusa', 14],
    ['Colpani, Daniara & Benetti, César João & Hamada, Neusa', 1],
    ['Darilmaz, Mustafa C. & Kiyak, Suat', 8],
    ['Fabricius, Johann Christian', 2],
    ['Fery, Hans & Hájek, Jiří', 19],
    ['Gustafson, Grey T. & Short, Andrew E. Z.', 14],
    ['Lee, Dae-Hyun & Ahn, Kee-Jeong', 4],
    ['Liang, Zulong & Angus, Robert B. & Jia, Fenglong', 7],
    ['Majka, Christopher', 4],
    ['Majka, Christopher & Kenner, Rex', 19],
    ['Suksai, Benjamart & Gustafson, Grey T. & Sites, Robert W.', 2],
    ['Van Vondel, Bernhard J. & Ostovan, Hadi & Ghahari, Hassan', 9],
    ['Webster, Reginald P. & Webster, Vincent L.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=120)',
    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);