function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade, Tamires de O. & Ramos, Kelli S. & Onody, Helena C.', 1],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 6],
    ['Bowie, Rauri C. K. & Fjeldså, Jon & Kiure, Jacob', 1],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 4],
    ['Hay, Arthur', 1],
    ['Horsfield, Thomas', 2],
    ['Kumar Arya, Sumit & Gopi, Govindan Veeraswami', 2],
    ['Marcaigh, Fionn Ó & Kelly, David J. & O’Connell, Darren P.', 2],
    ['Mary', 1],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 1],
    ['Pachycephalidae & Aegithalidae & Remizidae & Paridae & Sittidae', 62],
    ['Temminck, Coenraad Jacob', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=87)',
    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);