function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chuang, C. T. N. & Ng, Peter K. L.', 3],
    ['D., Guinot & de, Mazancourt V.', 17],
    ['Gašparič, Rok & Hyžný, Matúš & Hitij, Tomaž & Šoster, Aleš', 4],
    ['Hsueh, Pan-Wen', 2],
    ['Husana, Daniel Edison M. & Kase, Tomoki', 3],
    ['Husana, Daniel Edison M. & Tan, Swee Hee & Kase, Tomoki', 2],
    ['Komai, Tomoyuki & Poore, Gary C. B.', 4],
    ['Lucas, J. S.', 3],
    ['Naruse, Tohru & Mendoza, Jose Christopher E. & Ng, Peter K. L.', 5],
    ['Naruse, Tohru & Ng, Peter K. L.', 8],
    ['Naruse, Tohru & Ng, Peter K. L. & Guinot, Danièle', 5],
    ['Poore, Gary C. B. & Guinot, Danièle & Komai, Tomoyuki', 25],
    ['Rahayu, Dwi Listyo & Ng, Peter K. L.', 5],
    ['Rahayu, Dwi Listyo & Nugroho, Dharma Arif', 3],
    ['Santana, William', 4],
    ['Other (17)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=112)',
    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);