function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albuquerque, Maria da Natividade & Campos-Creasey, Lúcia S.', 4],
    ['Amon, Diva J & Ziegler, Amanda F & Kremenetskaia, Antonina', 4],
    ['Borges, Michela & Amaral, Antonia C. Z.', 2],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 5],
    ['Glover, Adrian G & Wiklund, Helena & Rabone, Muriel', 2],
    ['Goharimanesh, Mona & Stöhr, Sabine & Mirshamsi, Omid', 11],
    ['Gondim, Anne I. & Alonso, Carmen & Dias, Thelma L. P.', 18],
    ['Granja-Fernandez, Rebeca & Herrero-Perezrul, Maria D.', 9],
    ['Granja-Fernández, Rebeca & Hendrickx, Michel E.', 15],
    ['Martins, Luciana & Marques, Alexandre Oliveira', 2],
    ['Nethupul, Hasitha & Stoehr, Sabine & Zhang, Haibin', 9],
    ['Nethupul, Hasitha & Stöhr, Sabine & Zhang, Haibin', 3],
    ['O’Hara, Timothy D. & Thuy, Ben', 5],
    ['Stöhr, Sabine & Hugall, Andrew F. & Thuy, Ben', 7],
    ['Stöhr, Sabine & O’Hara, Timothy D.', 3],
    ['Other (11)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=111)',
    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);