function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ho, Ju-Shey & Ohtsuka, Susumu & Nakadachi, Nobuto', 1],
    ['Lee, Jimin & Chang, Cheon Young & Kim, Il-Hoi', 1],
    ['Luque, José L. & Tavares, Luiz E. R.', 1],
    ['Maran, Balu Alagar Venmathi & Moon, Seong Yong', 2],
    ['Tang, Danny & Izawa, Kunihiko', 3],
    ['Tang, Danny & Uyeno, Daisuke & Nagasawa, Kazuya', 6],
    ['Uyeno, Daisuke & Tang, Danny & Nagasawa, Kazuya', 2],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);