function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhtar, Mir Samim & Dey, Debjani & Usmani, Mohd. Kamil', 23],
    ['Ashmead, William Harris', 3],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 46],
    ['Kavallieratos, Nickolas G.', 6],
    ['Kavallieratos, Nickolas G. & Tomanović, Željko', 14],
    ['Kim, Sangjin & Tomanovic, Zeljko & Yu, Yeonghyeok', 4],
    ['Kos, Katarina & Trdan, Stanislav & Petrović, Andjeljko', 16],
    ['Lopes, Thomas & Libert, Pierre-Nicolas & Starý, Petr', 12],
    ['Madl, M. & Achterberg, C. Van', 5],
    ['Martínez-Chávez, Laura Marcela & Duque-Gamboa, Diana Nataly', 4],
    ['Nazari, Yaser & Zamani, Abbas Ali & Masoumi, Seyyed Mohammad', 16],
    ['O. Ç & T, Ž. & Beyarslan, A. & S, Black', 8],
    ['Rakhshani, Ehsan & Barahoei, Hossein & Ahmad, Zubair', 31],
    ['Rakhshani, Ehsan & Talebi, Ali Asghar & Starý, Petr', 16],
    ['Rakhshani, Ehsan & Tomanović, Željko & Starý, Petr', 5],
    ['Other (20)', 32]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=241)',
    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);