function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agassiz, A.', 6],
    ['Amon, Diva J & Ziegler, Amanda F & Kremenetskaia, Antonina', 2],
    ['Arachchige, Gayashan M. & Jayakody, Sevvandi & Mooi, Rich', 5],
    ['Cooke, Charles Wythe', 2],
    ['Despalatović, Marija & Cvitković, Ivan & Žuljević, Ante', 4],
    ['Filander, Zoleka & Griffiths, Charles', 11],
    ['Gondim, Anne Isabelley & Moura, Rafael Bendayan De', 6],
    ['Holmes, Francis C.', 3],
    ['Holmes, Francis C. & Yee, Christopher Ah & Krause, Janice', 5],
    ['Kašćelan, Slavica & Mandić, Sreten & Radović, Ivica', 4],
    ['Madeira, Patrícia & Kroh, Andreas & Cordeiro, Ricardo', 14],
    ['Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud', 5],
    ['Smith, Andrew B. & Stockley, Bruce', 3],
    ['Zachos, Louis G.', 3],
    ['Zachos, Louis G. & Molineux, Ann', 4],
    ['Other (15)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=99)',
    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);