function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 2],
    ['Golani, Daniel', 1],
    ['Gordon, Cat A. & Hood, Ali R. & Ellis, Jim R.', 1],
    ['Ito, Nanami & Fujii, Miho & Nohara, Kenji & Tanaka, Sho', 1],
    ['Lima, Arthur De & Loboda, Thiago Silva & Gianeti, Michel Donato', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 2],
    ['Soares, Karla D. A. & De, Marcelo R.', 17],
    ['Soares, Karla D. A. & Gadig, Otto F. B. & Gomes, Ulisses L.', 1],
    ['Soares, Karla D. A. & Gomes, Ulisses L.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);