function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chamutiová, Tímea & Hamerlík, Ladislav & Bitušík, Peter', 1],
    ['Cranston, Peter S.', 1],
    ['Dantas, Galileu P. S. & Hamada, Neusa', 4],
    ['Fusari, Lívia Maria & Neubern, Caroline S. & Hamada, Neusa', 1],
    ['Ivkovic, Marija & Doric, Valentina & Baranov, Viktor', 1],
    ['Mendes, Humberto Fonseca & Pinho, Luiz Carlos', 3],
    ['Niitsuma, Hiromi', 10],
    ['Niitsuma, Hiromi & Tang, Hongqu', 14],
    ['Oliveira, Caroline S. N. & Fonseca-Gessner, Alaíde A.', 3],
    ['Oliveira, Caroline Silva Neubern De', 28],
    ['Published, First', 1],
    ['Saether, Ole A.', 11],
    ['Siri, Augusto & Paggi, Analía C.', 2],
    ['Tasdemir, Ayse & Akyildiz, Gurcay Kivanc', 8],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=93)',
    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);