function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baturina, N. S.', 1],
    ['Cartwright, David I. & Dostine, Peter', 5],
    ['Malicky, H.', 4],
    ['Malicky, H. & Ivanov, V. & Melnitsky, S.', 1],
    ['Malicky, Hans & Ivanov, Vladimir D. & Melnitsky, Stanislav I.', 1],
    ['Malicky, Hans & Melnitsky, Stanislav I. & Ivanov, Vladimir D.', 1],
    ['Morse, John C. & Zhong, Hua & Yang, Lian-fang', 4],
    ['Oláh, János & Johanson, Kjell Arne', 22],
    ['Pandher, Manpreet Singh & Kaur, Simarjit & Garima, Deepti', 1],
    ['Paprocki, Henrique & Franca, Diogo', 4],
    ['Zhong, Hua & Yang, Lian-Fang & Morse, John C.', 14],
    ['de Souza, Wagner Rafael M. & Lima, Lucas R. C. & Pes, Ana M. O.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);