function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baba, Kikutaro', 1],
    ['Ekimova, Irina A. & Grishina, Darya Yu.', 2],
    ['Grandez, Alessandra & Ampuero, Andre & Barahona, Sergio P.', 1],
    ['Korshunova, Tatiana & Bakken, Torkild & GrØtan, Viktor V.', 30],
    ['Korshunova, Tatiana & Sanamyan, Nadezhda & Zimina, Olga', 3],
    ['Martynov, Alexander & Fujiwara, Yoshihiro & Tsuchida, Shinji', 3],
    ['Martynov, Alexander V. & Sanamyan, Nadya & Korshunova, Tatiana', 1],
    ['Pola, Marta & Stout, Carla C.', 4],
    ['User, GBIF. Org', 11],
    ['Valdés, Ángel & Lundsten, Lonny & Wilson, Nerida G.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=57)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);